255182640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 822328320

約数和(自身を除く): 567145680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 79, 80, 86, 120, 129, 158, 172, 215, 237, 240, 258, 313, 316, 344, 395, 430, 474, 516, 626, 632, 645, 688, 790, 860, 939, 948, 1032, 1185, 1252, 1264, 1290, 1565, 1580, 1720, 1878, 1896, 2064, 2370, 2504, 2580, 3130, 3160, 3397, 3440, 3756, 3792, 4695, 4740, 5008, 5160, 6260, 6320, 6794, 7512, 9390, 9480, 10191, 10320, 12520, 13459, 13588, 15024, 16985, 18780, 18960, 20382, 24727, 25040, 26918, 27176, 33970, 37560, 40377, 40764, 49454, 50955, 53836, 54352, 67295, 67940, 74181, 75120, 80754, 81528, 98908, 101910, 107672, 123635, 134590, 135880, 148362, 161508, 163056, 197816, 201885, 203820, 215344, 247270, 269180, 271760, 296724, 323016, 370905, 395632, 403770, 407640, 494540, 538360, 593448, 646032, 741810, 807540, 815280, 989080, 1063261, 1076720, 1186896, 1483620, 1615080, 1978160, 2126522, 2967240, 3189783, 3230160, 4253044, 5316305, 5934480, 6379566, 8506088, 10632610, 12759132, 15948915, 17012176, 21265220, 25518264, 31897830, 42530440, 51036528, 63795660, 85060880, 127591320, 255182640]

約数ペア:

[(1, 255182640), (2, 127591320), (3, 85060880), (4, 63795660), (5, 51036528), (6, 42530440), (8, 31897830), (10, 25518264), (12, 21265220), (15, 17012176), (16, 15948915), (20, 12759132), (24, 10632610), (30, 8506088), (40, 6379566), (43, 5934480), (48, 5316305), (60, 4253044), (79, 3230160), (80, 3189783), (86, 2967240), (120, 2126522), (129, 1978160), (158, 1615080), (172, 1483620), (215, 1186896), (237, 1076720), (240, 1063261), (258, 989080), (313, 815280), (316, 807540), (344, 741810), (395, 646032), (430, 593448), (474, 538360), (516, 494540), (626, 407640), (632, 403770), (645, 395632), (688, 370905), (790, 323016), (860, 296724), (939, 271760), (948, 269180), (1032, 247270), (1185, 215344), (1252, 203820), (1264, 201885), (1290, 197816), (1565, 163056), (1580, 161508), (1720, 148362), (1878, 135880), (1896, 134590), (2064, 123635), (2370, 107672), (2504, 101910), (2580, 98908), (3130, 81528), (3160, 80754), (3397, 75120), (3440, 74181), (3756, 67940), (3792, 67295), (4695, 54352), (4740, 53836), (5008, 50955), (5160, 49454), (6260, 40764), (6320, 40377), (6794, 37560), (7512, 33970), (9390, 27176), (9480, 26918), (10191, 25040), (10320, 24727), (12520, 20382), (13459, 18960), (13588, 18780), (15024, 16985)]