42689010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 132894720

約数和(自身を除く): 90205710

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 823, 910, 1235, 1330, 1365, 1482, 1646, 1729, 1995, 2469, 2470, 2730, 3458, 3705, 3990, 4115, 4938, 5187, 5761, 7410, 8230, 8645, 10374, 10699, 11522, 12345, 15637, 17283, 17290, 21398, 24690, 25935, 28805, 31274, 32097, 34566, 46911, 51870, 53495, 57610, 64194, 74893, 78185, 86415, 93822, 106990, 109459, 149786, 156370, 160485, 172830, 203281, 218918, 224679, 234555, 320970, 328377, 374465, 406562, 449358, 469110, 547295, 609843, 656754, 748930, 1016405, 1094590, 1123395, 1219686, 1422967, 1641885, 2032810, 2246790, 2845934, 3049215, 3283770, 4268901, 6098430, 7114835, 8537802, 14229670, 21344505, 42689010]

約数ペア:

[(1, 42689010), (2, 21344505), (3, 14229670), (5, 8537802), (6, 7114835), (7, 6098430), (10, 4268901), (13, 3283770), (14, 3049215), (15, 2845934), (19, 2246790), (21, 2032810), (26, 1641885), (30, 1422967), (35, 1219686), (38, 1123395), (39, 1094590), (42, 1016405), (57, 748930), (65, 656754), (70, 609843), (78, 547295), (91, 469110), (95, 449358), (105, 406562), (114, 374465), (130, 328377), (133, 320970), (182, 234555), (190, 224679), (195, 218918), (210, 203281), (247, 172830), (266, 160485), (273, 156370), (285, 149786), (390, 109459), (399, 106990), (455, 93822), (494, 86415), (546, 78185), (570, 74893), (665, 64194), (741, 57610), (798, 53495), (823, 51870), (910, 46911), (1235, 34566), (1330, 32097), (1365, 31274), (1482, 28805), (1646, 25935), (1729, 24690), (1995, 21398), (2469, 17290), (2470, 17283), (2730, 15637), (3458, 12345), (3705, 11522), (3990, 10699), (4115, 10374), (4938, 8645), (5187, 8230), (5761, 7410)]