15240840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 50181120

約数和(自身を除く): 34940280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 241, 248, 255, 310, 340, 372, 408, 465, 482, 510, 527, 620, 680, 723, 744, 930, 964, 1020, 1054, 1205, 1240, 1446, 1581, 1860, 1928, 2040, 2108, 2410, 2635, 2892, 3162, 3615, 3720, 4097, 4216, 4820, 5270, 5784, 6324, 7230, 7471, 7905, 8194, 9640, 10540, 12291, 12648, 14460, 14942, 15810, 16388, 20485, 21080, 22413, 24582, 28920, 29884, 31620, 32776, 37355, 40970, 44826, 49164, 59768, 61455, 63240, 74710, 81940, 89652, 98328, 112065, 122910, 127007, 149420, 163880, 179304, 224130, 245820, 254014, 298840, 381021, 448260, 491640, 508028, 635035, 762042, 896520, 1016056, 1270070, 1524084, 1905105, 2540140, 3048168, 3810210, 5080280, 7620420, 15240840]

約数ペア:

[(1, 15240840), (2, 7620420), (3, 5080280), (4, 3810210), (5, 3048168), (6, 2540140), (8, 1905105), (10, 1524084), (12, 1270070), (15, 1016056), (17, 896520), (20, 762042), (24, 635035), (30, 508028), (31, 491640), (34, 448260), (40, 381021), (51, 298840), (60, 254014), (62, 245820), (68, 224130), (85, 179304), (93, 163880), (102, 149420), (120, 127007), (124, 122910), (136, 112065), (155, 98328), (170, 89652), (186, 81940), (204, 74710), (241, 63240), (248, 61455), (255, 59768), (310, 49164), (340, 44826), (372, 40970), (408, 37355), (465, 32776), (482, 31620), (510, 29884), (527, 28920), (620, 24582), (680, 22413), (723, 21080), (744, 20485), (930, 16388), (964, 15810), (1020, 14942), (1054, 14460), (1205, 12648), (1240, 12291), (1446, 10540), (1581, 9640), (1860, 8194), (1928, 7905), (2040, 7471), (2108, 7230), (2410, 6324), (2635, 5784), (2892, 5270), (3162, 4820), (3615, 4216), (3720, 4097)]