2945069440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:2008

約数の個数: 128

約数和(自身を含む): 7363584000

約数和(自身を除く): 4418514560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1580, 1879, 1984, 2449, 2480, 2528, 3160, 3758, 3968, 4898, 4960, 5056, 6320, 7516, 9395, 9796, 9920, 10112, 12245, 12640, 15032, 18790, 19592, 19840, 24490, 25280, 30064, 37580, 39184, 48980, 50560, 58249, 60128, 75160, 78368, 97960, 116498, 120256, 148441, 150320, 156736, 195920, 232996, 240512, 291245, 296882, 300640, 313472, 391840, 465992, 582490, 593764, 601280, 742205, 783680, 931984, 1164980, 1187528, 1202560, 1484410, 1567360, 1863968, 2329960, 2375056, 2968820, 3727936, 4601671, 4659920, 4750112, 5937640, 7455872, 9203342, 9319840, 9500224, 11875280, 18406684, 18639680, 19000448, 23008355, 23750560, 36813368, 37279360, 46016710, 47501120, 73626736, 92033420, 95002240, 147253472, 184066840, 294506944, 368133680, 589013888, 736267360, 1472534720, 2945069440]

約数ペア:

[(1, 2945069440), (2, 1472534720), (4, 736267360), (5, 589013888), (8, 368133680), (10, 294506944), (16, 184066840), (20, 147253472), (31, 95002240), (32, 92033420), (40, 73626736), (62, 47501120), (64, 46016710), (79, 37279360), (80, 36813368), (124, 23750560), (128, 23008355), (155, 19000448), (158, 18639680), (160, 18406684), (248, 11875280), (310, 9500224), (316, 9319840), (320, 9203342), (395, 7455872), (496, 5937640), (620, 4750112), (632, 4659920), (640, 4601671), (790, 3727936), (992, 2968820), (1240, 2375056), (1264, 2329960), (1580, 1863968), (1879, 1567360), (1984, 1484410), (2449, 1202560), (2480, 1187528), (2528, 1164980), (3160, 931984), (3758, 783680), (3968, 742205), (4898, 601280), (4960, 593764), (5056, 582490), (6320, 465992), (7516, 391840), (9395, 313472), (9796, 300640), (9920, 296882), (10112, 291245), (12245, 240512), (12640, 232996), (15032, 195920), (18790, 156736), (19592, 150320), (19840, 148441), (24490, 120256), (25280, 116498), (30064, 97960), (37580, 78368), (39184, 75160), (48980, 60128), (50560, 58249)]