31340520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 111731400

約数和(自身を除く): 80390880

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, 569, 612, 648, 680, 765, 810, 918, 1020, 1080, 1138, 1224, 1377, 1530, 1620, 1707, 1836, 2040, 2276, 2295, 2754, 2845, 3060, 3240, 3414, 3672, 4552, 4590, 5121, 5508, 5690, 6120, 6828, 6885, 8535, 9180, 9673, 10242, 11016, 11380, 13656, 13770, 15363, 17070, 18360, 19346, 20484, 22760, 25605, 27540, 29019, 30726, 34140, 38692, 40968, 46089, 48365, 51210, 55080, 58038, 61452, 68280, 76815, 77384, 87057, 92178, 96730, 102420, 116076, 122904, 145095, 153630, 174114, 184356, 193460, 204840, 230445, 232152, 261171, 290190, 307260, 348228, 368712, 386920, 435285, 460890, 522342, 580380, 614520, 696456, 783513, 870570, 921780, 1044684, 1160760, 1305855, 1567026, 1741140, 1843560, 2089368, 2611710, 3134052, 3482280, 3917565, 5223420, 6268104, 7835130, 10446840, 15670260, 31340520]

約数ペア:

[(1, 31340520), (2, 15670260), (3, 10446840), (4, 7835130), (5, 6268104), (6, 5223420), (8, 3917565), (9, 3482280), (10, 3134052), (12, 2611710), (15, 2089368), (17, 1843560), (18, 1741140), (20, 1567026), (24, 1305855), (27, 1160760), (30, 1044684), (34, 921780), (36, 870570), (40, 783513), (45, 696456), (51, 614520), (54, 580380), (60, 522342), (68, 460890), (72, 435285), (81, 386920), (85, 368712), (90, 348228), (102, 307260), (108, 290190), (120, 261171), (135, 232152), (136, 230445), (153, 204840), (162, 193460), (170, 184356), (180, 174114), (204, 153630), (216, 145095), (255, 122904), (270, 116076), (306, 102420), (324, 96730), (340, 92178), (360, 87057), (405, 77384), (408, 76815), (459, 68280), (510, 61452), (540, 58038), (569, 55080), (612, 51210), (648, 48365), (680, 46089), (765, 40968), (810, 38692), (918, 34140), (1020, 30726), (1080, 29019), (1138, 27540), (1224, 25605), (1377, 22760), (1530, 20484), (1620, 19346), (1707, 18360), (1836, 17070), (2040, 15363), (2276, 13770), (2295, 13656), (2754, 11380), (2845, 11016), (3060, 10242), (3240, 9673), (3414, 9180), (3672, 8535), (4552, 6885), (4590, 6828), (5121, 6120), (5508, 5690)]