5081381120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1752

約数の個数: 144

約数和(自身を含む): 12731013120

約数和(自身を除く): 7649632000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 256, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1280, 1580, 1621, 1984, 2449, 2480, 2528, 3160, 3242, 3968, 4898, 4960, 5056, 6320, 6484, 7936, 8105, 9796, 9920, 10112, 12245, 12640, 12968, 16210, 19592, 19840, 20224, 24490, 25280, 25936, 32420, 39184, 39680, 48980, 50251, 50560, 51872, 64840, 78368, 97960, 100502, 101120, 103744, 128059, 129680, 156736, 195920, 201004, 207488, 251255, 256118, 259360, 313472, 391840, 402008, 414976, 502510, 512236, 518720, 626944, 640295, 783680, 804016, 1005020, 1024472, 1037440, 1280590, 1567360, 1608032, 2010040, 2048944, 2074880, 2561180, 3134720, 3216064, 3969829, 4020080, 4097888, 5122360, 6432128, 7939658, 8040160, 8195776, 10244720, 12864256, 15879316, 16080320, 16391552, 19849145, 20489440, 31758632, 32160640, 32783104, 39698290, 40978880, 63517264, 64321280, 79396580, 81957760, 127034528, 158793160, 163915520, 254069056, 317586320, 508138112, 635172640, 1016276224, 1270345280, 2540690560, 5081381120]

約数ペア:

[(1, 5081381120), (2, 2540690560), (4, 1270345280), (5, 1016276224), (8, 635172640), (10, 508138112), (16, 317586320), (20, 254069056), (31, 163915520), (32, 158793160), (40, 127034528), (62, 81957760), (64, 79396580), (79, 64321280), (80, 63517264), (124, 40978880), (128, 39698290), (155, 32783104), (158, 32160640), (160, 31758632), (248, 20489440), (256, 19849145), (310, 16391552), (316, 16080320), (320, 15879316), (395, 12864256), (496, 10244720), (620, 8195776), (632, 8040160), (640, 7939658), (790, 6432128), (992, 5122360), (1240, 4097888), (1264, 4020080), (1280, 3969829), (1580, 3216064), (1621, 3134720), (1984, 2561180), (2449, 2074880), (2480, 2048944), (2528, 2010040), (3160, 1608032), (3242, 1567360), (3968, 1280590), (4898, 1037440), (4960, 1024472), (5056, 1005020), (6320, 804016), (6484, 783680), (7936, 640295), (8105, 626944), (9796, 518720), (9920, 512236), (10112, 502510), (12245, 414976), (12640, 402008), (12968, 391840), (16210, 313472), (19592, 259360), (19840, 256118), (20224, 251255), (24490, 207488), (25280, 201004), (25936, 195920), (32420, 156736), (39184, 129680), (39680, 128059), (48980, 103744), (50251, 101120), (50560, 100502), (51872, 97960), (64840, 78368)]