15678517640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{1481}}^1$

素因数の和:1863

約数の個数: 128

約数和(自身を含む): 37952478720

約数和(自身を除く): 22273961080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 311, 370, 460, 622, 740, 851, 920, 1244, 1480, 1481, 1555, 1702, 2488, 2962, 3110, 3404, 4255, 5924, 6220, 6808, 7153, 7405, 8510, 11507, 11848, 12440, 14306, 14810, 17020, 23014, 28612, 29620, 34040, 34063, 35765, 46028, 54797, 57224, 57535, 59240, 68126, 71530, 92056, 109594, 115070, 136252, 143060, 170315, 219188, 230140, 264661, 272504, 273985, 286120, 340630, 438376, 460280, 460591, 529322, 547970, 681260, 921182, 1058644, 1095940, 1260331, 1323305, 1362520, 1842364, 2117288, 2191880, 2302955, 2520662, 2646610, 3684728, 4605910, 5041324, 5293220, 6301655, 9211820, 10082648, 10586440, 10593593, 12603310, 17041867, 18423640, 21187186, 25206620, 34083734, 42374372, 50413240, 52967965, 68167468, 84748744, 85209335, 105935930, 136334936, 170418670, 211871860, 340837340, 391962941, 423743720, 681674680, 783925882, 1567851764, 1959814705, 3135703528, 3919629410, 7839258820, 15678517640]

約数ペア:

[(1, 15678517640), (2, 7839258820), (4, 3919629410), (5, 3135703528), (8, 1959814705), (10, 1567851764), (20, 783925882), (23, 681674680), (37, 423743720), (40, 391962941), (46, 340837340), (74, 211871860), (92, 170418670), (115, 136334936), (148, 105935930), (184, 85209335), (185, 84748744), (230, 68167468), (296, 52967965), (311, 50413240), (370, 42374372), (460, 34083734), (622, 25206620), (740, 21187186), (851, 18423640), (920, 17041867), (1244, 12603310), (1480, 10593593), (1481, 10586440), (1555, 10082648), (1702, 9211820), (2488, 6301655), (2962, 5293220), (3110, 5041324), (3404, 4605910), (4255, 3684728), (5924, 2646610), (6220, 2520662), (6808, 2302955), (7153, 2191880), (7405, 2117288), (8510, 1842364), (11507, 1362520), (11848, 1323305), (12440, 1260331), (14306, 1095940), (14810, 1058644), (17020, 921182), (23014, 681260), (28612, 547970), (29620, 529322), (34040, 460591), (34063, 460280), (35765, 438376), (46028, 340630), (54797, 286120), (57224, 273985), (57535, 272504), (59240, 264661), (68126, 230140), (71530, 219188), (92056, 170315), (109594, 143060), (115070, 136252)]