245402820

素因数分解:

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

素因数の和:275

約数の個数: 288

約数和(自身を含む): 880588800

約数和(自身を除く): 635185980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 31, 34, 36, 39, 45, 51, 52, 60, 62, 65, 68, 78, 85, 90, 93, 102, 117, 124, 130, 153, 155, 156, 170, 180, 186, 195, 199, 204, 221, 234, 255, 260, 279, 306, 310, 340, 372, 390, 398, 403, 442, 465, 468, 510, 527, 558, 585, 597, 612, 620, 663, 765, 780, 796, 806, 884, 930, 995, 1020, 1054, 1105, 1116, 1170, 1194, 1209, 1326, 1395, 1530, 1581, 1612, 1791, 1860, 1989, 1990, 2015, 2108, 2210, 2340, 2388, 2418, 2587, 2635, 2652, 2790, 2985, 3060, 3162, 3315, 3383, 3582, 3627, 3978, 3980, 4030, 4420, 4743, 4836, 5174, 5270, 5580, 5970, 6045, 6169, 6324, 6630, 6766, 6851, 7164, 7254, 7761, 7905, 7956, 8060, 8955, 9486, 9945, 10149, 10348, 10540, 11940, 12090, 12338, 12935, 13260, 13532, 13702, 14508, 15522, 15810, 16915, 17910, 18135, 18507, 18972, 19890, 20298, 20553, 23283, 23715, 24180, 24676, 25870, 27404, 30447, 30845, 31044, 31620, 33830, 34255, 35820, 36270, 37014, 38805, 39780, 40596, 41106, 43979, 46566, 47430, 50745, 51740, 55521, 60894, 61659, 61690, 67660, 68510, 72540, 74028, 77610, 80197, 82212, 87958, 92535, 93132, 94860, 101490, 102765, 104873, 111042, 116415, 121788, 123318, 123380, 131937, 137020, 152235, 155220, 160394, 175916, 185070, 202980, 205530, 209746, 219895, 222084, 232830, 240591, 246636, 263874, 277605, 304470, 308295, 314619, 320788, 370140, 395811, 400985, 411060, 419492, 439790, 465660, 481182, 524365, 527748, 555210, 608940, 616590, 629238, 659685, 721773, 791622, 801970, 879580, 943857, 962364, 1048730, 1110420, 1202955, 1233180, 1258476, 1319370, 1363349, 1443546, 1573095, 1583244, 1603940, 1887714, 1979055, 2097460, 2405910, 2638740, 2726698, 2887092, 3146190, 3608865, 3775428, 3958110, 4090047, 4719285, 4811820, 5453396, 6292380, 6816745, 7217730, 7916220, 8180094, 9438570, 12270141, 13633490, 14435460, 16360188, 18877140, 20450235, 24540282, 27266980, 40900470, 49080564, 61350705, 81800940, 122701410, 245402820]

約数ペア:

[(1, 245402820), (2, 122701410), (3, 81800940), (4, 61350705), (5, 49080564), (6, 40900470), (9, 27266980), (10, 24540282), (12, 20450235), (13, 18877140), (15, 16360188), (17, 14435460), (18, 13633490), (20, 12270141), (26, 9438570), (30, 8180094), (31, 7916220), (34, 7217730), (36, 6816745), (39, 6292380), (45, 5453396), (51, 4811820), (52, 4719285), (60, 4090047), (62, 3958110), (65, 3775428), (68, 3608865), (78, 3146190), (85, 2887092), (90, 2726698), (93, 2638740), (102, 2405910), (117, 2097460), (124, 1979055), (130, 1887714), (153, 1603940), (155, 1583244), (156, 1573095), (170, 1443546), (180, 1363349), (186, 1319370), (195, 1258476), (199, 1233180), (204, 1202955), (221, 1110420), (234, 1048730), (255, 962364), (260, 943857), (279, 879580), (306, 801970), (310, 791622), (340, 721773), (372, 659685), (390, 629238), (398, 616590), (403, 608940), (442, 555210), (465, 527748), (468, 524365), (510, 481182), (527, 465660), (558, 439790), (585, 419492), (597, 411060), (612, 400985), (620, 395811), (663, 370140), (765, 320788), (780, 314619), (796, 308295), (806, 304470), (884, 277605), (930, 263874), (995, 246636), (1020, 240591), (1054, 232830), (1105, 222084), (1116, 219895), (1170, 209746), (1194, 205530), (1209, 202980), (1326, 185070), (1395, 175916), (1530, 160394), (1581, 155220), (1612, 152235), (1791, 137020), (1860, 131937), (1989, 123380), (1990, 123318), (2015, 121788), (2108, 116415), (2210, 111042), (2340, 104873), (2388, 102765), (2418, 101490), (2587, 94860), (2635, 93132), (2652, 92535), (2790, 87958), (2985, 82212), (3060, 80197), (3162, 77610), (3315, 74028), (3383, 72540), (3582, 68510), (3627, 67660), (3978, 61690), (3980, 61659), (4030, 60894), (4420, 55521), (4743, 51740), (4836, 50745), (5174, 47430), (5270, 46566), (5580, 43979), (5970, 41106), (6045, 40596), (6169, 39780), (6324, 38805), (6630, 37014), (6766, 36270), (6851, 35820), (7164, 34255), (7254, 33830), (7761, 31620), (7905, 31044), (7956, 30845), (8060, 30447), (8955, 27404), (9486, 25870), (9945, 24676), (10149, 24180), (10348, 23715), (10540, 23283), (11940, 20553), (12090, 20298), (12338, 19890), (12935, 18972), (13260, 18507), (13532, 18135), (13702, 17910), (14508, 16915), (15522, 15810)]