13940680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 38102400

約数和(自身を除く): 24161720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 83, 85, 95, 104, 130, 136, 152, 166, 170, 190, 221, 247, 260, 323, 332, 340, 380, 415, 442, 494, 520, 646, 664, 680, 760, 830, 884, 988, 1079, 1105, 1235, 1292, 1411, 1577, 1615, 1660, 1768, 1976, 2158, 2210, 2470, 2584, 2822, 3154, 3230, 3320, 4199, 4316, 4420, 4940, 5395, 5644, 6308, 6460, 7055, 7885, 8398, 8632, 8840, 9880, 10790, 11288, 12616, 12920, 14110, 15770, 16796, 18343, 20501, 20995, 21580, 26809, 28220, 31540, 33592, 36686, 41002, 41990, 43160, 53618, 56440, 63080, 73372, 82004, 83980, 91715, 102505, 107236, 134045, 146744, 164008, 167960, 183430, 205010, 214472, 268090, 348517, 366860, 410020, 536180, 697034, 733720, 820040, 1072360, 1394068, 1742585, 2788136, 3485170, 6970340, 13940680]

約数ペア:

[(1, 13940680), (2, 6970340), (4, 3485170), (5, 2788136), (8, 1742585), (10, 1394068), (13, 1072360), (17, 820040), (19, 733720), (20, 697034), (26, 536180), (34, 410020), (38, 366860), (40, 348517), (52, 268090), (65, 214472), (68, 205010), (76, 183430), (83, 167960), (85, 164008), (95, 146744), (104, 134045), (130, 107236), (136, 102505), (152, 91715), (166, 83980), (170, 82004), (190, 73372), (221, 63080), (247, 56440), (260, 53618), (323, 43160), (332, 41990), (340, 41002), (380, 36686), (415, 33592), (442, 31540), (494, 28220), (520, 26809), (646, 21580), (664, 20995), (680, 20501), (760, 18343), (830, 16796), (884, 15770), (988, 14110), (1079, 12920), (1105, 12616), (1235, 11288), (1292, 10790), (1411, 9880), (1577, 8840), (1615, 8632), (1660, 8398), (1768, 7885), (1976, 7055), (2158, 6460), (2210, 6308), (2470, 5644), (2584, 5395), (2822, 4940), (3154, 4420), (3230, 4316), (3320, 4199)]