1978210560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6521}}^1$

素因数の和:6624

約数の個数: 144

約数和(自身を含む): 6398864640

約数和(自身を除く): 4420654080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 948, 960, 1185, 1264, 1280, 1580, 1896, 1920, 2370, 2528, 3160, 3792, 3840, 4740, 5056, 6320, 6521, 7584, 9480, 10112, 12640, 13042, 15168, 18960, 19563, 20224, 25280, 26084, 30336, 32605, 37920, 39126, 50560, 52168, 60672, 65210, 75840, 78252, 97815, 101120, 104336, 130420, 151680, 156504, 195630, 208672, 260840, 303360, 313008, 391260, 417344, 515159, 521680, 626016, 782520, 834688, 1030318, 1043360, 1252032, 1545477, 1565040, 1669376, 2060636, 2086720, 2504064, 2575795, 3090954, 3130080, 4121272, 4173440, 5008128, 5151590, 6181908, 6260160, 7727385, 8242544, 8346880, 10303180, 12363816, 12520320, 15454770, 16485088, 20606360, 24727632, 25040640, 30909540, 32970176, 41212720, 49455264, 61819080, 65940352, 82425440, 98910528, 123638160, 131880704, 164850880, 197821056, 247276320, 329701760, 395642112, 494552640, 659403520, 989105280, 1978210560]

約数ペア:

[(1, 1978210560), (2, 989105280), (3, 659403520), (4, 494552640), (5, 395642112), (6, 329701760), (8, 247276320), (10, 197821056), (12, 164850880), (15, 131880704), (16, 123638160), (20, 98910528), (24, 82425440), (30, 65940352), (32, 61819080), (40, 49455264), (48, 41212720), (60, 32970176), (64, 30909540), (79, 25040640), (80, 24727632), (96, 20606360), (120, 16485088), (128, 15454770), (158, 12520320), (160, 12363816), (192, 10303180), (237, 8346880), (240, 8242544), (256, 7727385), (316, 6260160), (320, 6181908), (384, 5151590), (395, 5008128), (474, 4173440), (480, 4121272), (632, 3130080), (640, 3090954), (768, 2575795), (790, 2504064), (948, 2086720), (960, 2060636), (1185, 1669376), (1264, 1565040), (1280, 1545477), (1580, 1252032), (1896, 1043360), (1920, 1030318), (2370, 834688), (2528, 782520), (3160, 626016), (3792, 521680), (3840, 515159), (4740, 417344), (5056, 391260), (6320, 313008), (6521, 303360), (7584, 260840), (9480, 208672), (10112, 195630), (12640, 156504), (13042, 151680), (15168, 130420), (18960, 104336), (19563, 101120), (20224, 97815), (25280, 78252), (26084, 75840), (30336, 65210), (32605, 60672), (37920, 52168), (39126, 50560)]