78919620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 246197952

約数和(自身を除く): 167278332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 169, 172, 181, 195, 215, 258, 260, 338, 362, 390, 430, 507, 516, 543, 559, 645, 676, 724, 780, 845, 860, 905, 1014, 1086, 1118, 1290, 1677, 1690, 1810, 2028, 2172, 2236, 2353, 2535, 2580, 2715, 2795, 3354, 3380, 3620, 4706, 5070, 5430, 5590, 6708, 7059, 7267, 7783, 8385, 9412, 10140, 10860, 11180, 11765, 14118, 14534, 15566, 16770, 21801, 23349, 23530, 28236, 29068, 30589, 31132, 33540, 35295, 36335, 38915, 43602, 46698, 47060, 61178, 70590, 72670, 77830, 87204, 91767, 93396, 101179, 109005, 116745, 122356, 141180, 145340, 152945, 155660, 183534, 202358, 218010, 233490, 303537, 305890, 367068, 404716, 436020, 458835, 466980, 505895, 607074, 611780, 917670, 1011790, 1214148, 1315327, 1517685, 1835340, 2023580, 2630654, 3035370, 3945981, 5261308, 6070740, 6576635, 7891962, 13153270, 15783924, 19729905, 26306540, 39459810, 78919620]

約数ペア:

[(1, 78919620), (2, 39459810), (3, 26306540), (4, 19729905), (5, 15783924), (6, 13153270), (10, 7891962), (12, 6576635), (13, 6070740), (15, 5261308), (20, 3945981), (26, 3035370), (30, 2630654), (39, 2023580), (43, 1835340), (52, 1517685), (60, 1315327), (65, 1214148), (78, 1011790), (86, 917670), (129, 611780), (130, 607074), (156, 505895), (169, 466980), (172, 458835), (181, 436020), (195, 404716), (215, 367068), (258, 305890), (260, 303537), (338, 233490), (362, 218010), (390, 202358), (430, 183534), (507, 155660), (516, 152945), (543, 145340), (559, 141180), (645, 122356), (676, 116745), (724, 109005), (780, 101179), (845, 93396), (860, 91767), (905, 87204), (1014, 77830), (1086, 72670), (1118, 70590), (1290, 61178), (1677, 47060), (1690, 46698), (1810, 43602), (2028, 38915), (2172, 36335), (2236, 35295), (2353, 33540), (2535, 31132), (2580, 30589), (2715, 29068), (2795, 28236), (3354, 23530), (3380, 23349), (3620, 21801), (4706, 16770), (5070, 15566), (5430, 14534), (5590, 14118), (6708, 11765), (7059, 11180), (7267, 10860), (7783, 10140), (8385, 9412)]