15615320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 42353280

約数和(自身を除く): 26737960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 257, 280, 310, 392, 434, 490, 514, 620, 868, 980, 1028, 1085, 1240, 1285, 1519, 1736, 1799, 1960, 2056, 2170, 2570, 3038, 3598, 4340, 5140, 6076, 7196, 7595, 7967, 8680, 8995, 10280, 12152, 12593, 14392, 15190, 15934, 17990, 25186, 30380, 31868, 35980, 39835, 50372, 55769, 60760, 62965, 63736, 71960, 79670, 100744, 111538, 125930, 159340, 223076, 251860, 278845, 318680, 390383, 446152, 503720, 557690, 780766, 1115380, 1561532, 1951915, 2230760, 3123064, 3903830, 7807660, 15615320]

約数ペア:

[(1, 15615320), (2, 7807660), (4, 3903830), (5, 3123064), (7, 2230760), (8, 1951915), (10, 1561532), (14, 1115380), (20, 780766), (28, 557690), (31, 503720), (35, 446152), (40, 390383), (49, 318680), (56, 278845), (62, 251860), (70, 223076), (98, 159340), (124, 125930), (140, 111538), (155, 100744), (196, 79670), (217, 71960), (245, 63736), (248, 62965), (257, 60760), (280, 55769), (310, 50372), (392, 39835), (434, 35980), (490, 31868), (514, 30380), (620, 25186), (868, 17990), (980, 15934), (1028, 15190), (1085, 14392), (1240, 12593), (1285, 12152), (1519, 10280), (1736, 8995), (1799, 8680), (1960, 7967), (2056, 7595), (2170, 7196), (2570, 6076), (3038, 5140), (3598, 4340)]