15704436040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 36456376320

約数和(自身を除く): 20751940280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 181, 223, 274, 284, 355, 362, 446, 548, 568, 685, 710, 724, 892, 905, 1096, 1115, 1370, 1420, 1448, 1784, 1810, 2230, 2740, 2840, 3620, 4460, 5480, 7240, 8920, 9727, 12851, 15833, 19454, 24797, 25702, 30551, 31666, 38908, 40363, 48635, 49594, 51404, 61102, 63332, 64255, 77816, 79165, 80726, 97270, 99188, 102808, 122204, 123985, 126664, 128510, 152755, 158330, 161452, 194540, 198376, 201815, 244408, 247970, 257020, 305510, 316660, 322904, 389080, 403630, 495940, 514040, 611020, 633320, 807260, 991880, 1222040, 1614520, 1760587, 2169121, 2865773, 3521174, 4338242, 5529731, 5731546, 7042348, 8676484, 8802935, 10845605, 11059462, 11463092, 14084696, 14328865, 17352968, 17605870, 21691210, 22118924, 22926184, 27648655, 28657730, 35211740, 43382420, 44237848, 55297310, 57315460, 70423480, 86764840, 110594620, 114630920, 221189240, 392610901, 785221802, 1570443604, 1963054505, 3140887208, 3926109010, 7852218020, 15704436040]

約数ペア:

[(1, 15704436040), (2, 7852218020), (4, 3926109010), (5, 3140887208), (8, 1963054505), (10, 1570443604), (20, 785221802), (40, 392610901), (71, 221189240), (137, 114630920), (142, 110594620), (181, 86764840), (223, 70423480), (274, 57315460), (284, 55297310), (355, 44237848), (362, 43382420), (446, 35211740), (548, 28657730), (568, 27648655), (685, 22926184), (710, 22118924), (724, 21691210), (892, 17605870), (905, 17352968), (1096, 14328865), (1115, 14084696), (1370, 11463092), (1420, 11059462), (1448, 10845605), (1784, 8802935), (1810, 8676484), (2230, 7042348), (2740, 5731546), (2840, 5529731), (3620, 4338242), (4460, 3521174), (5480, 2865773), (7240, 2169121), (8920, 1760587), (9727, 1614520), (12851, 1222040), (15833, 991880), (19454, 807260), (24797, 633320), (25702, 611020), (30551, 514040), (31666, 495940), (38908, 403630), (40363, 389080), (48635, 322904), (49594, 316660), (51404, 305510), (61102, 257020), (63332, 247970), (64255, 244408), (77816, 201815), (79165, 198376), (80726, 194540), (97270, 161452), (99188, 158330), (102808, 152755), (122204, 128510), (123985, 126664)]