64218440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 172972800

約数和(自身を除く): 108754360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 103, 104, 109, 110, 130, 143, 206, 218, 220, 260, 286, 412, 436, 440, 515, 520, 545, 572, 715, 824, 872, 1030, 1090, 1133, 1144, 1199, 1339, 1417, 1430, 2060, 2180, 2266, 2398, 2678, 2834, 2860, 4120, 4360, 4532, 4796, 5356, 5665, 5668, 5720, 5995, 6695, 7085, 9064, 9592, 10712, 11227, 11330, 11336, 11990, 13390, 14170, 14729, 15587, 22454, 22660, 23980, 26780, 28340, 29458, 31174, 44908, 45320, 47960, 53560, 56135, 56680, 58916, 62348, 73645, 77935, 89816, 112270, 117832, 123497, 124696, 145951, 147290, 155870, 224540, 246994, 291902, 294580, 311740, 449080, 493988, 583804, 589160, 617485, 623480, 729755, 987976, 1167608, 1234970, 1459510, 1605461, 2469940, 2919020, 3210922, 4939880, 5838040, 6421844, 8027305, 12843688, 16054610, 32109220, 64218440]

約数ペア:

[(1, 64218440), (2, 32109220), (4, 16054610), (5, 12843688), (8, 8027305), (10, 6421844), (11, 5838040), (13, 4939880), (20, 3210922), (22, 2919020), (26, 2469940), (40, 1605461), (44, 1459510), (52, 1234970), (55, 1167608), (65, 987976), (88, 729755), (103, 623480), (104, 617485), (109, 589160), (110, 583804), (130, 493988), (143, 449080), (206, 311740), (218, 294580), (220, 291902), (260, 246994), (286, 224540), (412, 155870), (436, 147290), (440, 145951), (515, 124696), (520, 123497), (545, 117832), (572, 112270), (715, 89816), (824, 77935), (872, 73645), (1030, 62348), (1090, 58916), (1133, 56680), (1144, 56135), (1199, 53560), (1339, 47960), (1417, 45320), (1430, 44908), (2060, 31174), (2180, 29458), (2266, 28340), (2398, 26780), (2678, 23980), (2834, 22660), (2860, 22454), (4120, 15587), (4360, 14729), (4532, 14170), (4796, 13390), (5356, 11990), (5665, 11336), (5668, 11330), (5720, 11227), (5995, 10712), (6695, 9592), (7085, 9064)]