15504580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 40822488

約数和(自身を除く): 25317908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1217, 1274, 1820, 2434, 2548, 3185, 4868, 6085, 6370, 8519, 12170, 12740, 15821, 17038, 24340, 31642, 34076, 42595, 59633, 63284, 79105, 85190, 110747, 119266, 158210, 170380, 221494, 238532, 298165, 316420, 442988, 553735, 596330, 775229, 1107470, 1192660, 1550458, 2214940, 3100916, 3876145, 7752290, 15504580]

約数ペア:

[(1, 15504580), (2, 7752290), (4, 3876145), (5, 3100916), (7, 2214940), (10, 1550458), (13, 1192660), (14, 1107470), (20, 775229), (26, 596330), (28, 553735), (35, 442988), (49, 316420), (52, 298165), (65, 238532), (70, 221494), (91, 170380), (98, 158210), (130, 119266), (140, 110747), (182, 85190), (196, 79105), (245, 63284), (260, 59633), (364, 42595), (455, 34076), (490, 31642), (637, 24340), (910, 17038), (980, 15821), (1217, 12740), (1274, 12170), (1820, 8519), (2434, 6370), (2548, 6085), (3185, 4868)]