180305920

素因数分解:

$2^{14}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 452971008

約数和(自身を除く): 272665088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 310, 320, 355, 496, 512, 568, 620, 640, 710, 992, 1024, 1136, 1240, 1280, 1420, 1984, 2048, 2201, 2272, 2480, 2560, 2840, 3968, 4096, 4402, 4544, 4960, 5120, 5680, 7936, 8192, 8804, 9088, 9920, 10240, 11005, 11360, 15872, 16384, 17608, 18176, 19840, 20480, 22010, 22720, 31744, 35216, 36352, 39680, 40960, 44020, 45440, 63488, 70432, 72704, 79360, 81920, 88040, 90880, 126976, 140864, 145408, 158720, 176080, 181760, 253952, 281728, 290816, 317440, 352160, 363520, 507904, 563456, 581632, 634880, 704320, 727040, 1126912, 1163264, 1269760, 1408640, 1454080, 2253824, 2539520, 2817280, 2908160, 4507648, 5634560, 5816320, 9015296, 11269120, 18030592, 22538240, 36061184, 45076480, 90152960, 180305920]

約数ペア:

[(1, 180305920), (2, 90152960), (4, 45076480), (5, 36061184), (8, 22538240), (10, 18030592), (16, 11269120), (20, 9015296), (31, 5816320), (32, 5634560), (40, 4507648), (62, 2908160), (64, 2817280), (71, 2539520), (80, 2253824), (124, 1454080), (128, 1408640), (142, 1269760), (155, 1163264), (160, 1126912), (248, 727040), (256, 704320), (284, 634880), (310, 581632), (320, 563456), (355, 507904), (496, 363520), (512, 352160), (568, 317440), (620, 290816), (640, 281728), (710, 253952), (992, 181760), (1024, 176080), (1136, 158720), (1240, 145408), (1280, 140864), (1420, 126976), (1984, 90880), (2048, 88040), (2201, 81920), (2272, 79360), (2480, 72704), (2560, 70432), (2840, 63488), (3968, 45440), (4096, 44020), (4402, 40960), (4544, 39680), (4960, 36352), (5120, 35216), (5680, 31744), (7936, 22720), (8192, 22010), (8804, 20480), (9088, 19840), (9920, 18176), (10240, 17608), (11005, 16384), (11360, 15872)]