15904240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 42747264

約数和(自身を除く): 26843024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 53, 55, 62, 80, 88, 106, 110, 121, 124, 155, 176, 212, 220, 242, 248, 265, 310, 341, 424, 440, 484, 496, 530, 583, 605, 620, 682, 848, 880, 968, 1060, 1166, 1210, 1240, 1364, 1643, 1705, 1936, 2120, 2332, 2420, 2480, 2728, 2915, 3286, 3410, 3751, 4240, 4664, 4840, 5456, 5830, 6413, 6572, 6820, 7502, 8215, 9328, 9680, 11660, 12826, 13144, 13640, 15004, 16430, 18073, 18755, 23320, 25652, 26288, 27280, 30008, 32065, 32860, 36146, 37510, 46640, 51304, 60016, 64130, 65720, 72292, 75020, 90365, 102608, 128260, 131440, 144584, 150040, 180730, 198803, 256520, 289168, 300080, 361460, 397606, 513040, 722920, 795212, 994015, 1445840, 1590424, 1988030, 3180848, 3976060, 7952120, 15904240]

約数ペア:

[(1, 15904240), (2, 7952120), (4, 3976060), (5, 3180848), (8, 1988030), (10, 1590424), (11, 1445840), (16, 994015), (20, 795212), (22, 722920), (31, 513040), (40, 397606), (44, 361460), (53, 300080), (55, 289168), (62, 256520), (80, 198803), (88, 180730), (106, 150040), (110, 144584), (121, 131440), (124, 128260), (155, 102608), (176, 90365), (212, 75020), (220, 72292), (242, 65720), (248, 64130), (265, 60016), (310, 51304), (341, 46640), (424, 37510), (440, 36146), (484, 32860), (496, 32065), (530, 30008), (583, 27280), (605, 26288), (620, 25652), (682, 23320), (848, 18755), (880, 18073), (968, 16430), (1060, 15004), (1166, 13640), (1210, 13144), (1240, 12826), (1364, 11660), (1643, 9680), (1705, 9328), (1936, 8215), (2120, 7502), (2332, 6820), (2420, 6572), (2480, 6413), (2728, 5830), (2915, 5456), (3286, 4840), (3410, 4664), (3751, 4240)]