1390615980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 288

約数和(自身を含む): 4621209600

約数和(自身を除く): 3230593620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 31, 34, 39, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 124, 130, 155, 156, 170, 186, 195, 199, 204, 221, 255, 260, 289, 310, 340, 372, 390, 398, 403, 442, 465, 510, 527, 578, 597, 620, 663, 780, 796, 806, 867, 884, 930, 995, 1020, 1054, 1105, 1156, 1194, 1209, 1326, 1445, 1581, 1612, 1734, 1860, 1990, 2015, 2108, 2210, 2388, 2418, 2587, 2635, 2652, 2890, 2985, 3162, 3315, 3383, 3468, 3757, 3980, 4030, 4335, 4420, 4836, 5174, 5270, 5780, 5970, 6045, 6169, 6324, 6630, 6766, 6851, 7514, 7761, 7905, 8060, 8670, 8959, 10149, 10348, 10540, 11271, 11940, 12090, 12338, 12935, 13260, 13532, 13702, 15028, 15522, 15810, 16915, 17340, 17918, 18507, 18785, 20298, 20553, 22542, 24180, 24676, 25870, 26877, 27404, 30845, 31044, 31620, 33830, 34255, 35836, 37014, 37570, 38805, 40596, 41106, 43979, 44795, 45084, 50745, 51740, 53754, 56355, 57511, 61690, 67660, 68510, 74028, 75140, 77610, 80197, 82212, 87958, 89590, 92535, 101490, 102765, 104873, 107508, 112710, 115022, 116467, 123380, 131937, 134385, 137020, 155220, 160394, 172533, 175916, 179180, 185070, 202980, 205530, 209746, 219895, 225420, 230044, 232934, 240591, 263874, 268770, 287555, 314619, 320788, 345066, 349401, 370140, 400985, 411060, 419492, 439790, 465868, 481182, 524365, 527748, 537540, 575110, 582335, 629238, 659685, 690132, 698802, 747643, 801970, 862665, 879580, 962364, 1048730, 1150220, 1164670, 1202955, 1258476, 1319370, 1363349, 1397604, 1495286, 1573095, 1603940, 1725330, 1747005, 1782841, 2097460, 2242929, 2329340, 2405910, 2638740, 2726698, 2990572, 3146190, 3450660, 3494010, 3565682, 3738215, 4090047, 4485858, 4811820, 5348523, 5453396, 6292380, 6816745, 6988020, 7131364, 7476430, 8180094, 8914205, 8971716, 10697046, 11214645, 13633490, 14952860, 16360188, 17828410, 20450235, 21394092, 22429290, 23176933, 26742615, 27266980, 35656820, 40900470, 44858580, 46353866, 53485230, 69530799, 81800940, 92707732, 106970460, 115884665, 139061598, 231769330, 278123196, 347653995, 463538660, 695307990, 1390615980]

約数ペア:

[(1, 1390615980), (2, 695307990), (3, 463538660), (4, 347653995), (5, 278123196), (6, 231769330), (10, 139061598), (12, 115884665), (13, 106970460), (15, 92707732), (17, 81800940), (20, 69530799), (26, 53485230), (30, 46353866), (31, 44858580), (34, 40900470), (39, 35656820), (51, 27266980), (52, 26742615), (60, 23176933), (62, 22429290), (65, 21394092), (68, 20450235), (78, 17828410), (85, 16360188), (93, 14952860), (102, 13633490), (124, 11214645), (130, 10697046), (155, 8971716), (156, 8914205), (170, 8180094), (186, 7476430), (195, 7131364), (199, 6988020), (204, 6816745), (221, 6292380), (255, 5453396), (260, 5348523), (289, 4811820), (310, 4485858), (340, 4090047), (372, 3738215), (390, 3565682), (398, 3494010), (403, 3450660), (442, 3146190), (465, 2990572), (510, 2726698), (527, 2638740), (578, 2405910), (597, 2329340), (620, 2242929), (663, 2097460), (780, 1782841), (796, 1747005), (806, 1725330), (867, 1603940), (884, 1573095), (930, 1495286), (995, 1397604), (1020, 1363349), (1054, 1319370), (1105, 1258476), (1156, 1202955), (1194, 1164670), (1209, 1150220), (1326, 1048730), (1445, 962364), (1581, 879580), (1612, 862665), (1734, 801970), (1860, 747643), (1990, 698802), (2015, 690132), (2108, 659685), (2210, 629238), (2388, 582335), (2418, 575110), (2587, 537540), (2635, 527748), (2652, 524365), (2890, 481182), (2985, 465868), (3162, 439790), (3315, 419492), (3383, 411060), (3468, 400985), (3757, 370140), (3980, 349401), (4030, 345066), (4335, 320788), (4420, 314619), (4836, 287555), (5174, 268770), (5270, 263874), (5780, 240591), (5970, 232934), (6045, 230044), (6169, 225420), (6324, 219895), (6630, 209746), (6766, 205530), (6851, 202980), (7514, 185070), (7761, 179180), (7905, 175916), (8060, 172533), (8670, 160394), (8959, 155220), (10149, 137020), (10348, 134385), (10540, 131937), (11271, 123380), (11940, 116467), (12090, 115022), (12338, 112710), (12935, 107508), (13260, 104873), (13532, 102765), (13702, 101490), (15028, 92535), (15522, 89590), (15810, 87958), (16915, 82212), (17340, 80197), (17918, 77610), (18507, 75140), (18785, 74028), (20298, 68510), (20553, 67660), (22542, 61690), (24180, 57511), (24676, 56355), (25870, 53754), (26877, 51740), (27404, 50745), (30845, 45084), (31044, 44795), (31620, 43979), (33830, 41106), (34255, 40596), (35836, 38805), (37014, 37570)]