15660107980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{281353}}^1$

素因数の和:281407

約数の個数: 72

約数和(自身を含む): 37719442656

約数和(自身を除く): 22059334676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5566, 11132, 13915, 27830, 55660, 281353, 562706, 1125412, 1406765, 2813530, 3094883, 5627060, 6189766, 6471119, 12379532, 12942238, 15474415, 25884476, 30948830, 32355595, 34043713, 61897660, 64711190, 68087426, 71182309, 129422380, 136174852, 142364618, 170218565, 284729236, 340437130, 355911545, 680874260, 711823090, 783005399, 1423646180, 1566010798, 3132021596, 3915026995, 7830053990, 15660107980]

約数ペア:

[(1, 15660107980), (2, 7830053990), (4, 3915026995), (5, 3132021596), (10, 1566010798), (11, 1423646180), (20, 783005399), (22, 711823090), (23, 680874260), (44, 355911545), (46, 340437130), (55, 284729236), (92, 170218565), (110, 142364618), (115, 136174852), (121, 129422380), (220, 71182309), (230, 68087426), (242, 64711190), (253, 61897660), (460, 34043713), (484, 32355595), (506, 30948830), (605, 25884476), (1012, 15474415), (1210, 12942238), (1265, 12379532), (2420, 6471119), (2530, 6189766), (2783, 5627060), (5060, 3094883), (5566, 2813530), (11132, 1406765), (13915, 1125412), (27830, 562706), (55660, 281353)]