17989980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 34845348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 71, 82, 103, 123, 142, 164, 205, 206, 213, 246, 284, 309, 355, 410, 412, 426, 492, 515, 615, 618, 710, 820, 852, 1030, 1065, 1230, 1236, 1420, 1545, 2060, 2130, 2460, 2911, 3090, 4223, 4260, 5822, 6180, 7313, 8446, 8733, 11644, 12669, 14555, 14626, 16892, 17466, 21115, 21939, 25338, 29110, 29252, 34932, 36565, 42230, 43665, 43878, 50676, 58220, 63345, 73130, 84460, 87330, 87756, 109695, 126690, 146260, 174660, 219390, 253380, 299833, 438780, 599666, 899499, 1199332, 1499165, 1798998, 2998330, 3597996, 4497495, 5996660, 8994990, 17989980]

約数ペア:

[(1, 17989980), (2, 8994990), (3, 5996660), (4, 4497495), (5, 3597996), (6, 2998330), (10, 1798998), (12, 1499165), (15, 1199332), (20, 899499), (30, 599666), (41, 438780), (60, 299833), (71, 253380), (82, 219390), (103, 174660), (123, 146260), (142, 126690), (164, 109695), (205, 87756), (206, 87330), (213, 84460), (246, 73130), (284, 63345), (309, 58220), (355, 50676), (410, 43878), (412, 43665), (426, 42230), (492, 36565), (515, 34932), (615, 29252), (618, 29110), (710, 25338), (820, 21939), (852, 21115), (1030, 17466), (1065, 16892), (1230, 14626), (1236, 14555), (1420, 12669), (1545, 11644), (2060, 8733), (2130, 8446), (2460, 7313), (2911, 6180), (3090, 5822), (4223, 4260)]