15705639820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 36402125760

約数和(自身を除く): 20696485940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 197, 206, 229, 260, 338, 394, 412, 458, 515, 676, 788, 845, 916, 985, 1030, 1145, 1339, 1690, 1970, 2060, 2290, 2561, 2678, 2977, 3380, 3940, 4580, 5122, 5356, 5954, 6695, 10244, 11908, 12805, 13390, 14885, 17407, 20291, 23587, 25610, 26780, 29770, 33293, 34814, 38701, 40582, 45113, 47174, 51220, 59540, 66586, 69628, 77402, 81164, 87035, 90226, 94348, 101455, 117935, 133172, 154804, 166465, 174070, 180452, 193505, 202910, 225565, 235870, 263783, 306631, 332930, 348140, 387010, 405820, 451130, 471740, 527566, 586469, 613262, 665860, 774020, 902260, 1055132, 1172938, 1226524, 1318915, 1533155, 2345876, 2637830, 2932345, 3066310, 3429179, 3986203, 4646639, 5275660, 5864690, 6132620, 6858358, 7624097, 7972406, 9293278, 11729380, 13716716, 15248194, 15944812, 17145895, 18586556, 19931015, 23233195, 30496388, 34291790, 38120485, 39862030, 46466390, 60406307, 68583580, 76240970, 79724060, 92932780, 120812614, 152481940, 241625228, 302031535, 604063070, 785281991, 1208126140, 1570563982, 3141127964, 3926409955, 7852819910, 15705639820]

約数ペア:

[(1, 15705639820), (2, 7852819910), (4, 3926409955), (5, 3141127964), (10, 1570563982), (13, 1208126140), (20, 785281991), (26, 604063070), (52, 302031535), (65, 241625228), (103, 152481940), (130, 120812614), (169, 92932780), (197, 79724060), (206, 76240970), (229, 68583580), (260, 60406307), (338, 46466390), (394, 39862030), (412, 38120485), (458, 34291790), (515, 30496388), (676, 23233195), (788, 19931015), (845, 18586556), (916, 17145895), (985, 15944812), (1030, 15248194), (1145, 13716716), (1339, 11729380), (1690, 9293278), (1970, 7972406), (2060, 7624097), (2290, 6858358), (2561, 6132620), (2678, 5864690), (2977, 5275660), (3380, 4646639), (3940, 3986203), (4580, 3429179), (5122, 3066310), (5356, 2932345), (5954, 2637830), (6695, 2345876), (10244, 1533155), (11908, 1318915), (12805, 1226524), (13390, 1172938), (14885, 1055132), (17407, 902260), (20291, 774020), (23587, 665860), (25610, 613262), (26780, 586469), (29770, 527566), (33293, 471740), (34814, 451130), (38701, 405820), (40582, 387010), (45113, 348140), (47174, 332930), (51220, 306631), (59540, 263783), (66586, 235870), (69628, 225565), (77402, 202910), (81164, 193505), (87035, 180452), (90226, 174070), (94348, 166465), (101455, 154804), (117935, 133172)]