15691270460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1251

約数の個数: 96

約数和(自身を含む): 35054208000

約数和(自身を除く): 19362937540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 431, 596, 643, 745, 862, 1286, 1490, 1724, 2155, 2572, 2831, 2980, 3215, 4310, 5662, 6430, 8189, 8620, 11324, 12217, 12860, 14155, 16378, 24434, 28310, 32756, 40945, 48868, 56620, 61085, 64219, 81890, 95807, 122170, 128438, 163780, 191614, 244340, 256876, 277133, 321095, 383228, 479035, 554266, 642190, 958070, 1108532, 1220161, 1284380, 1385665, 1820333, 1916140, 2440322, 2771330, 3640666, 4880644, 5265527, 5542660, 6100805, 7281332, 9101665, 10531054, 12201610, 18203330, 21062108, 24403220, 26327635, 36406660, 41292817, 52655270, 82585634, 105310540, 165171268, 206464085, 412928170, 784563523, 825856340, 1569127046, 3138254092, 3922817615, 7845635230, 15691270460]

約数ペア:

[(1, 15691270460), (2, 7845635230), (4, 3922817615), (5, 3138254092), (10, 1569127046), (19, 825856340), (20, 784563523), (38, 412928170), (76, 206464085), (95, 165171268), (149, 105310540), (190, 82585634), (298, 52655270), (380, 41292817), (431, 36406660), (596, 26327635), (643, 24403220), (745, 21062108), (862, 18203330), (1286, 12201610), (1490, 10531054), (1724, 9101665), (2155, 7281332), (2572, 6100805), (2831, 5542660), (2980, 5265527), (3215, 4880644), (4310, 3640666), (5662, 2771330), (6430, 2440322), (8189, 1916140), (8620, 1820333), (11324, 1385665), (12217, 1284380), (12860, 1220161), (14155, 1108532), (16378, 958070), (24434, 642190), (28310, 554266), (32756, 479035), (40945, 383228), (48868, 321095), (56620, 277133), (61085, 256876), (64219, 244340), (81890, 191614), (95807, 163780), (122170, 128438)]