451555920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20231}}^1$

素因数の和:20281

約数の個数: 120

約数和(自身を含む): 1565471232

約数和(自身を除く): 1113915312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 20231, 22320, 40462, 60693, 80924, 101155, 121386, 161848, 182079, 202310, 242772, 303465, 323696, 364158, 404620, 485544, 606930, 627161, 728316, 809240, 910395, 971088, 1213860, 1254322, 1456632, 1618480, 1820790, 1881483, 2427720, 2508644, 2913264, 3135805, 3641580, 3762966, 4855440, 5017288, 5644449, 6271610, 7283160, 7525932, 9407415, 10034576, 11288898, 12543220, 14566320, 15051864, 18814830, 22577796, 25086440, 28222245, 30103728, 37629660, 45155592, 50172880, 56444490, 75259320, 90311184, 112888980, 150518640, 225777960, 451555920]

約数ペア:

[(1, 451555920), (2, 225777960), (3, 150518640), (4, 112888980), (5, 90311184), (6, 75259320), (8, 56444490), (9, 50172880), (10, 45155592), (12, 37629660), (15, 30103728), (16, 28222245), (18, 25086440), (20, 22577796), (24, 18814830), (30, 15051864), (31, 14566320), (36, 12543220), (40, 11288898), (45, 10034576), (48, 9407415), (60, 7525932), (62, 7283160), (72, 6271610), (80, 5644449), (90, 5017288), (93, 4855440), (120, 3762966), (124, 3641580), (144, 3135805), (155, 2913264), (180, 2508644), (186, 2427720), (240, 1881483), (248, 1820790), (279, 1618480), (310, 1456632), (360, 1254322), (372, 1213860), (465, 971088), (496, 910395), (558, 809240), (620, 728316), (720, 627161), (744, 606930), (930, 485544), (1116, 404620), (1240, 364158), (1395, 323696), (1488, 303465), (1860, 242772), (2232, 202310), (2480, 182079), (2790, 161848), (3720, 121386), (4464, 101155), (5580, 80924), (7440, 60693), (11160, 40462), (20231, 22320)]