74105720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 194322240

約数和(自身を除く): 120216520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 83, 85, 101, 104, 130, 136, 166, 170, 202, 221, 260, 332, 340, 404, 415, 442, 505, 520, 664, 680, 808, 830, 884, 1010, 1079, 1105, 1313, 1411, 1660, 1717, 1768, 2020, 2158, 2210, 2626, 2822, 3320, 3434, 4040, 4316, 4420, 5252, 5395, 5644, 6565, 6868, 7055, 8383, 8585, 8632, 8840, 10504, 10790, 11288, 13130, 13736, 14110, 16766, 17170, 18343, 21580, 22321, 26260, 28220, 33532, 34340, 36686, 41915, 43160, 44642, 52520, 56440, 67064, 68680, 73372, 83830, 89284, 91715, 108979, 111605, 142511, 146744, 167660, 178568, 183430, 217958, 223210, 285022, 335320, 366860, 435916, 446420, 544895, 570044, 712555, 733720, 871832, 892840, 1089790, 1140088, 1425110, 1852643, 2179580, 2850220, 3705286, 4359160, 5700440, 7410572, 9263215, 14821144, 18526430, 37052860, 74105720]

約数ペア:

[(1, 74105720), (2, 37052860), (4, 18526430), (5, 14821144), (8, 9263215), (10, 7410572), (13, 5700440), (17, 4359160), (20, 3705286), (26, 2850220), (34, 2179580), (40, 1852643), (52, 1425110), (65, 1140088), (68, 1089790), (83, 892840), (85, 871832), (101, 733720), (104, 712555), (130, 570044), (136, 544895), (166, 446420), (170, 435916), (202, 366860), (221, 335320), (260, 285022), (332, 223210), (340, 217958), (404, 183430), (415, 178568), (442, 167660), (505, 146744), (520, 142511), (664, 111605), (680, 108979), (808, 91715), (830, 89284), (884, 83830), (1010, 73372), (1079, 68680), (1105, 67064), (1313, 56440), (1411, 52520), (1660, 44642), (1717, 43160), (1768, 41915), (2020, 36686), (2158, 34340), (2210, 33532), (2626, 28220), (2822, 26260), (3320, 22321), (3434, 21580), (4040, 18343), (4316, 17170), (4420, 16766), (5252, 14110), (5395, 13736), (5644, 13130), (6565, 11288), (6868, 10790), (7055, 10504), (8383, 8840), (8585, 8632)]