31450680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 112123440

約数和(自身を除く): 80672760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 571, 612, 648, 680, 765, 810, 918, 1020, 1080, 1142, 1224, 1377, 1530, 1620, 1713, 1836, 2040, 2284, 2295, 2754, 2855, 3060, 3240, 3426, 3672, 4568, 4590, 5139, 5508, 5710, 6120, 6852, 6885, 8565, 9180, 9707, 10278, 11016, 11420, 13704, 13770, 15417, 17130, 18360, 19414, 20556, 22840, 25695, 27540, 29121, 30834, 34260, 38828, 41112, 46251, 48535, 51390, 55080, 58242, 61668, 68520, 77085, 77656, 87363, 92502, 97070, 102780, 116484, 123336, 145605, 154170, 174726, 185004, 194140, 205560, 231255, 232968, 262089, 291210, 308340, 349452, 370008, 388280, 436815, 462510, 524178, 582420, 616680, 698904, 786267, 873630, 925020, 1048356, 1164840, 1310445, 1572534, 1747260, 1850040, 2096712, 2620890, 3145068, 3494520, 3931335, 5241780, 6290136, 7862670, 10483560, 15725340, 31450680]

約数ペア:

[(1, 31450680), (2, 15725340), (3, 10483560), (4, 7862670), (5, 6290136), (6, 5241780), (8, 3931335), (9, 3494520), (10, 3145068), (12, 2620890), (15, 2096712), (17, 1850040), (18, 1747260), (20, 1572534), (24, 1310445), (27, 1164840), (30, 1048356), (34, 925020), (36, 873630), (40, 786267), (45, 698904), (51, 616680), (54, 582420), (60, 524178), (68, 462510), (72, 436815), (81, 388280), (85, 370008), (90, 349452), (102, 308340), (108, 291210), (120, 262089), (135, 232968), (136, 231255), (153, 205560), (162, 194140), (170, 185004), (180, 174726), (204, 154170), (216, 145605), (255, 123336), (270, 116484), (306, 102780), (324, 97070), (340, 92502), (360, 87363), (405, 77656), (408, 77085), (459, 68520), (510, 61668), (540, 58242), (571, 55080), (612, 51390), (648, 48535), (680, 46251), (765, 41112), (810, 38828), (918, 34260), (1020, 30834), (1080, 29121), (1142, 27540), (1224, 25695), (1377, 22840), (1530, 20556), (1620, 19414), (1713, 18360), (1836, 17130), (2040, 15417), (2284, 13770), (2295, 13704), (2754, 11420), (2855, 11016), (3060, 10278), (3240, 9707), (3426, 9180), (3672, 8565), (4568, 6885), (4590, 6852), (5139, 6120), (5508, 5710)]