80641260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 216

約数和(自身を含む): 292795776

約数和(自身を除く): 212154516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 180, 196, 205, 210, 223, 245, 246, 252, 287, 294, 315, 369, 410, 420, 441, 446, 490, 492, 574, 588, 615, 630, 669, 735, 738, 820, 861, 882, 892, 980, 1115, 1148, 1230, 1260, 1338, 1435, 1470, 1476, 1561, 1722, 1764, 1845, 2007, 2009, 2205, 2230, 2460, 2583, 2676, 2870, 2940, 3122, 3345, 3444, 3690, 4014, 4018, 4305, 4410, 4460, 4683, 5166, 5740, 6027, 6244, 6690, 7380, 7805, 8028, 8036, 8610, 8820, 9143, 9366, 10035, 10045, 10332, 10927, 12054, 12915, 13380, 14049, 15610, 17220, 18081, 18286, 18732, 20070, 20090, 21854, 23415, 24108, 25830, 27429, 28098, 30135, 31220, 32781, 36162, 36572, 40140, 40180, 43708, 45715, 46830, 51660, 54635, 54858, 56196, 60270, 64001, 65562, 70245, 72324, 82287, 90405, 91430, 93660, 98343, 109270, 109716, 120540, 128002, 131124, 137145, 140490, 163905, 164574, 180810, 182860, 192003, 196686, 218540, 256004, 274290, 280980, 320005, 327810, 329148, 361620, 384006, 393372, 411435, 448007, 491715, 548580, 576009, 640010, 655620, 768012, 822870, 896014, 960015, 983430, 1152018, 1280020, 1344021, 1645740, 1792028, 1920030, 1966860, 2240035, 2304036, 2688042, 2880045, 3840060, 4032063, 4480070, 5376084, 5760090, 6720105, 8064126, 8960140, 11520180, 13440210, 16128252, 20160315, 26880420, 40320630, 80641260]

約数ペア:

[(1, 80641260), (2, 40320630), (3, 26880420), (4, 20160315), (5, 16128252), (6, 13440210), (7, 11520180), (9, 8960140), (10, 8064126), (12, 6720105), (14, 5760090), (15, 5376084), (18, 4480070), (20, 4032063), (21, 3840060), (28, 2880045), (30, 2688042), (35, 2304036), (36, 2240035), (41, 1966860), (42, 1920030), (45, 1792028), (49, 1645740), (60, 1344021), (63, 1280020), (70, 1152018), (82, 983430), (84, 960015), (90, 896014), (98, 822870), (105, 768012), (123, 655620), (126, 640010), (140, 576009), (147, 548580), (164, 491715), (180, 448007), (196, 411435), (205, 393372), (210, 384006), (223, 361620), (245, 329148), (246, 327810), (252, 320005), (287, 280980), (294, 274290), (315, 256004), (369, 218540), (410, 196686), (420, 192003), (441, 182860), (446, 180810), (490, 164574), (492, 163905), (574, 140490), (588, 137145), (615, 131124), (630, 128002), (669, 120540), (735, 109716), (738, 109270), (820, 98343), (861, 93660), (882, 91430), (892, 90405), (980, 82287), (1115, 72324), (1148, 70245), (1230, 65562), (1260, 64001), (1338, 60270), (1435, 56196), (1470, 54858), (1476, 54635), (1561, 51660), (1722, 46830), (1764, 45715), (1845, 43708), (2007, 40180), (2009, 40140), (2205, 36572), (2230, 36162), (2460, 32781), (2583, 31220), (2676, 30135), (2870, 28098), (2940, 27429), (3122, 25830), (3345, 24108), (3444, 23415), (3690, 21854), (4014, 20090), (4018, 20070), (4305, 18732), (4410, 18286), (4460, 18081), (4683, 17220), (5166, 15610), (5740, 14049), (6027, 13380), (6244, 12915), (6690, 12054), (7380, 10927), (7805, 10332), (8028, 10045), (8036, 10035), (8610, 9366), (8820, 9143)]