420434820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 288

約数和(自身を含む): 1505226240

約数和(自身を除く): 1084791420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 169, 170, 180, 195, 204, 221, 234, 255, 260, 270, 271, 306, 338, 340, 351, 390, 442, 459, 468, 507, 510, 540, 542, 585, 612, 663, 676, 702, 765, 780, 813, 845, 884, 918, 1014, 1020, 1084, 1105, 1170, 1326, 1355, 1404, 1521, 1530, 1626, 1690, 1755, 1836, 1989, 2028, 2210, 2295, 2340, 2439, 2535, 2652, 2710, 2873, 3042, 3060, 3252, 3315, 3380, 3510, 3523, 3978, 4065, 4420, 4563, 4590, 4607, 4878, 5070, 5420, 5746, 5967, 6084, 6630, 7020, 7046, 7317, 7605, 7956, 8130, 8619, 9126, 9180, 9214, 9756, 9945, 10140, 10569, 11492, 11934, 12195, 13260, 13821, 14092, 14365, 14634, 15210, 16260, 17238, 17615, 18252, 18428, 19890, 21138, 22815, 23035, 23868, 24390, 25857, 27642, 28730, 29268, 29835, 30420, 31707, 34476, 35230, 36585, 39780, 41463, 42276, 43095, 45630, 45799, 46070, 48780, 51714, 52845, 55284, 57460, 59670, 59891, 63414, 69105, 70460, 73170, 77571, 82926, 86190, 91260, 91598, 92140, 95121, 103428, 105690, 119340, 119782, 124389, 126828, 129285, 137397, 138210, 146340, 155142, 158535, 165852, 172380, 179673, 183196, 190242, 207315, 211380, 228995, 239564, 248778, 258570, 274794, 276420, 299455, 310284, 317070, 359346, 380484, 387855, 412191, 414630, 457990, 475605, 497556, 517140, 539019, 549588, 598910, 621945, 634140, 686985, 718692, 775710, 778583, 824382, 829260, 898365, 915980, 951210, 1078038, 1197820, 1236573, 1243890, 1373970, 1551420, 1557166, 1617057, 1648764, 1796730, 1902420, 2060955, 2156076, 2335749, 2473146, 2487780, 2695095, 2747940, 3114332, 3234114, 3593460, 3892915, 4121910, 4671498, 4946292, 5390190, 6182865, 6468228, 7007247, 7785830, 8085285, 8243820, 9342996, 10780380, 11678745, 12365730, 14014494, 15571660, 16170570, 21021741, 23357490, 24731460, 28028988, 32341140, 35036235, 42043482, 46714980, 70072470, 84086964, 105108705, 140144940, 210217410, 420434820]

約数ペア:

[(1, 420434820), (2, 210217410), (3, 140144940), (4, 105108705), (5, 84086964), (6, 70072470), (9, 46714980), (10, 42043482), (12, 35036235), (13, 32341140), (15, 28028988), (17, 24731460), (18, 23357490), (20, 21021741), (26, 16170570), (27, 15571660), (30, 14014494), (34, 12365730), (36, 11678745), (39, 10780380), (45, 9342996), (51, 8243820), (52, 8085285), (54, 7785830), (60, 7007247), (65, 6468228), (68, 6182865), (78, 5390190), (85, 4946292), (90, 4671498), (102, 4121910), (108, 3892915), (117, 3593460), (130, 3234114), (135, 3114332), (153, 2747940), (156, 2695095), (169, 2487780), (170, 2473146), (180, 2335749), (195, 2156076), (204, 2060955), (221, 1902420), (234, 1796730), (255, 1648764), (260, 1617057), (270, 1557166), (271, 1551420), (306, 1373970), (338, 1243890), (340, 1236573), (351, 1197820), (390, 1078038), (442, 951210), (459, 915980), (468, 898365), (507, 829260), (510, 824382), (540, 778583), (542, 775710), (585, 718692), (612, 686985), (663, 634140), (676, 621945), (702, 598910), (765, 549588), (780, 539019), (813, 517140), (845, 497556), (884, 475605), (918, 457990), (1014, 414630), (1020, 412191), (1084, 387855), (1105, 380484), (1170, 359346), (1326, 317070), (1355, 310284), (1404, 299455), (1521, 276420), (1530, 274794), (1626, 258570), (1690, 248778), (1755, 239564), (1836, 228995), (1989, 211380), (2028, 207315), (2210, 190242), (2295, 183196), (2340, 179673), (2439, 172380), (2535, 165852), (2652, 158535), (2710, 155142), (2873, 146340), (3042, 138210), (3060, 137397), (3252, 129285), (3315, 126828), (3380, 124389), (3510, 119782), (3523, 119340), (3978, 105690), (4065, 103428), (4420, 95121), (4563, 92140), (4590, 91598), (4607, 91260), (4878, 86190), (5070, 82926), (5420, 77571), (5746, 73170), (5967, 70460), (6084, 69105), (6630, 63414), (7020, 59891), (7046, 59670), (7317, 57460), (7605, 55284), (7956, 52845), (8130, 51714), (8619, 48780), (9126, 46070), (9180, 45799), (9214, 45630), (9756, 43095), (9945, 42276), (10140, 41463), (10569, 39780), (11492, 36585), (11934, 35230), (12195, 34476), (13260, 31707), (13821, 30420), (14092, 29835), (14365, 29268), (14634, 28730), (15210, 27642), (16260, 25857), (17238, 24390), (17615, 23868), (18252, 23035), (18428, 22815), (19890, 21138)]