15985440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 144

約数和(自身を含む): 57847608

約数和(自身を除く): 41862168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 653, 680, 720, 765, 816, 1020, 1224, 1306, 1360, 1440, 1530, 1632, 1959, 2040, 2448, 2612, 2720, 3060, 3265, 3918, 4080, 4896, 5224, 5877, 6120, 6530, 7836, 8160, 9795, 10448, 11101, 11754, 12240, 13060, 15672, 19590, 20896, 22202, 23508, 24480, 26120, 29385, 31344, 33303, 39180, 44404, 47016, 52240, 55505, 58770, 62688, 66606, 78360, 88808, 94032, 99909, 104480, 111010, 117540, 133212, 156720, 166515, 177616, 188064, 199818, 222020, 235080, 266424, 313440, 333030, 355232, 399636, 444040, 470160, 499545, 532848, 666060, 799272, 888080, 940320, 999090, 1065696, 1332120, 1598544, 1776160, 1998180, 2664240, 3197088, 3996360, 5328480, 7992720, 15985440]

約数ペア:

[(1, 15985440), (2, 7992720), (3, 5328480), (4, 3996360), (5, 3197088), (6, 2664240), (8, 1998180), (9, 1776160), (10, 1598544), (12, 1332120), (15, 1065696), (16, 999090), (17, 940320), (18, 888080), (20, 799272), (24, 666060), (30, 532848), (32, 499545), (34, 470160), (36, 444040), (40, 399636), (45, 355232), (48, 333030), (51, 313440), (60, 266424), (68, 235080), (72, 222020), (80, 199818), (85, 188064), (90, 177616), (96, 166515), (102, 156720), (120, 133212), (136, 117540), (144, 111010), (153, 104480), (160, 99909), (170, 94032), (180, 88808), (204, 78360), (240, 66606), (255, 62688), (272, 58770), (288, 55505), (306, 52240), (340, 47016), (360, 44404), (408, 39180), (480, 33303), (510, 31344), (544, 29385), (612, 26120), (653, 24480), (680, 23508), (720, 22202), (765, 20896), (816, 19590), (1020, 15672), (1224, 13060), (1306, 12240), (1360, 11754), (1440, 11101), (1530, 10448), (1632, 9795), (1959, 8160), (2040, 7836), (2448, 6530), (2612, 6120), (2720, 5877), (3060, 5224), (3265, 4896), (3918, 4080)]