64631008

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 157716720

約数和(自身を除く): 93085712

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 37, 38, 52, 68, 74, 76, 104, 136, 148, 152, 169, 208, 221, 247, 272, 296, 304, 323, 338, 416, 442, 481, 494, 544, 592, 608, 629, 646, 676, 703, 884, 962, 988, 1184, 1258, 1292, 1352, 1406, 1768, 1924, 1976, 2516, 2584, 2704, 2812, 2873, 3211, 3536, 3848, 3952, 4199, 5032, 5168, 5408, 5624, 5746, 6253, 6422, 7072, 7696, 7904, 8177, 8398, 9139, 10064, 10336, 11248, 11492, 11951, 12506, 12844, 15392, 16354, 16796, 18278, 20128, 22496, 22984, 23902, 25012, 25688, 32708, 33592, 36556, 45968, 47804, 50024, 51376, 54587, 65416, 67184, 73112, 91936, 95608, 100048, 102752, 106301, 109174, 118807, 130832, 134368, 146224, 155363, 191216, 200096, 212602, 218348, 237614, 261664, 292448, 310726, 382432, 425204, 436696, 475228, 621452, 850408, 873392, 950456, 1242904, 1700816, 1746784, 1900912, 2019719, 2485808, 3401632, 3801824, 4039438, 4971616, 8078876, 16157752, 32315504, 64631008]

約数ペア:

[(1, 64631008), (2, 32315504), (4, 16157752), (8, 8078876), (13, 4971616), (16, 4039438), (17, 3801824), (19, 3401632), (26, 2485808), (32, 2019719), (34, 1900912), (37, 1746784), (38, 1700816), (52, 1242904), (68, 950456), (74, 873392), (76, 850408), (104, 621452), (136, 475228), (148, 436696), (152, 425204), (169, 382432), (208, 310726), (221, 292448), (247, 261664), (272, 237614), (296, 218348), (304, 212602), (323, 200096), (338, 191216), (416, 155363), (442, 146224), (481, 134368), (494, 130832), (544, 118807), (592, 109174), (608, 106301), (629, 102752), (646, 100048), (676, 95608), (703, 91936), (884, 73112), (962, 67184), (988, 65416), (1184, 54587), (1258, 51376), (1292, 50024), (1352, 47804), (1406, 45968), (1768, 36556), (1924, 33592), (1976, 32708), (2516, 25688), (2584, 25012), (2704, 23902), (2812, 22984), (2873, 22496), (3211, 20128), (3536, 18278), (3848, 16796), (3952, 16354), (4199, 15392), (5032, 12844), (5168, 12506), (5408, 11951), (5624, 11492), (5746, 11248), (6253, 10336), (6422, 10064), (7072, 9139), (7696, 8398), (7904, 8177)]