686371320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:979

約数の個数: 160

約数和(自身を含む): 2317392000

約数和(自身を除く): 1631020680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 349, 360, 405, 540, 607, 648, 698, 810, 1047, 1080, 1214, 1396, 1620, 1745, 1821, 2094, 2428, 2792, 3035, 3141, 3240, 3490, 3642, 4188, 4856, 5235, 5463, 6070, 6282, 6980, 7284, 8376, 9105, 9423, 10470, 10926, 12140, 12564, 13960, 14568, 15705, 16389, 18210, 18846, 20940, 21852, 24280, 25128, 27315, 28269, 31410, 32778, 36420, 37692, 41880, 43704, 47115, 49167, 54630, 56538, 62820, 65556, 72840, 75384, 81945, 94230, 98334, 109260, 113076, 125640, 131112, 141345, 163890, 188460, 196668, 211843, 218520, 226152, 245835, 282690, 327780, 376920, 393336, 423686, 491670, 565380, 635529, 655560, 847372, 983340, 1059215, 1130760, 1271058, 1694744, 1906587, 1966680, 2118430, 2542116, 3177645, 3813174, 4236860, 5084232, 5719761, 6355290, 7626348, 8473720, 9532935, 11439522, 12710580, 15252696, 17159283, 19065870, 22879044, 25421160, 28598805, 34318566, 38131740, 45758088, 57197610, 68637132, 76263480, 85796415, 114395220, 137274264, 171592830, 228790440, 343185660, 686371320]

約数ペア:

[(1, 686371320), (2, 343185660), (3, 228790440), (4, 171592830), (5, 137274264), (6, 114395220), (8, 85796415), (9, 76263480), (10, 68637132), (12, 57197610), (15, 45758088), (18, 38131740), (20, 34318566), (24, 28598805), (27, 25421160), (30, 22879044), (36, 19065870), (40, 17159283), (45, 15252696), (54, 12710580), (60, 11439522), (72, 9532935), (81, 8473720), (90, 7626348), (108, 6355290), (120, 5719761), (135, 5084232), (162, 4236860), (180, 3813174), (216, 3177645), (270, 2542116), (324, 2118430), (349, 1966680), (360, 1906587), (405, 1694744), (540, 1271058), (607, 1130760), (648, 1059215), (698, 983340), (810, 847372), (1047, 655560), (1080, 635529), (1214, 565380), (1396, 491670), (1620, 423686), (1745, 393336), (1821, 376920), (2094, 327780), (2428, 282690), (2792, 245835), (3035, 226152), (3141, 218520), (3240, 211843), (3490, 196668), (3642, 188460), (4188, 163890), (4856, 141345), (5235, 131112), (5463, 125640), (6070, 113076), (6282, 109260), (6980, 98334), (7284, 94230), (8376, 81945), (9105, 75384), (9423, 72840), (10470, 65556), (10926, 62820), (12140, 56538), (12564, 54630), (13960, 49167), (14568, 47115), (15705, 43704), (16389, 41880), (18210, 37692), (18846, 36420), (20940, 32778), (21852, 31410), (24280, 28269), (25128, 27315)]