77995260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 283832640

約数和(自身を除く): 205837380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 239, 245, 252, 259, 294, 315, 333, 370, 420, 441, 444, 478, 490, 518, 555, 588, 630, 666, 717, 735, 740, 777, 882, 956, 980, 1036, 1110, 1195, 1260, 1295, 1332, 1434, 1470, 1554, 1665, 1673, 1764, 1813, 2151, 2205, 2220, 2331, 2390, 2590, 2868, 2940, 3108, 3330, 3346, 3585, 3626, 3885, 4302, 4410, 4662, 4780, 5019, 5180, 5439, 6660, 6692, 7170, 7252, 7770, 8365, 8604, 8820, 8843, 9065, 9324, 10038, 10755, 10878, 11655, 11711, 14340, 15057, 15540, 16317, 16730, 17686, 18130, 20076, 21510, 21756, 23310, 23422, 25095, 26529, 27195, 30114, 32634, 33460, 35133, 35372, 36260, 43020, 44215, 46620, 46844, 50190, 53058, 54390, 58555, 60228, 61901, 65268, 70266, 75285, 79587, 81585, 88430, 100380, 105399, 106116, 108780, 117110, 123802, 132645, 140532, 150570, 159174, 163170, 175665, 176860, 185703, 210798, 234220, 247604, 265290, 301140, 309505, 318348, 326340, 351330, 371406, 397935, 421596, 433307, 526995, 530580, 557109, 619010, 702660, 742812, 795870, 866614, 928515, 1053990, 1114218, 1238020, 1299921, 1591740, 1733228, 1857030, 2107980, 2166535, 2228436, 2599842, 2785545, 3714060, 3899763, 4333070, 5199684, 5571090, 6499605, 7799526, 8666140, 11142180, 12999210, 15599052, 19498815, 25998420, 38997630, 77995260]

約数ペア:

[(1, 77995260), (2, 38997630), (3, 25998420), (4, 19498815), (5, 15599052), (6, 12999210), (7, 11142180), (9, 8666140), (10, 7799526), (12, 6499605), (14, 5571090), (15, 5199684), (18, 4333070), (20, 3899763), (21, 3714060), (28, 2785545), (30, 2599842), (35, 2228436), (36, 2166535), (37, 2107980), (42, 1857030), (45, 1733228), (49, 1591740), (60, 1299921), (63, 1238020), (70, 1114218), (74, 1053990), (84, 928515), (90, 866614), (98, 795870), (105, 742812), (111, 702660), (126, 619010), (140, 557109), (147, 530580), (148, 526995), (180, 433307), (185, 421596), (196, 397935), (210, 371406), (222, 351330), (239, 326340), (245, 318348), (252, 309505), (259, 301140), (294, 265290), (315, 247604), (333, 234220), (370, 210798), (420, 185703), (441, 176860), (444, 175665), (478, 163170), (490, 159174), (518, 150570), (555, 140532), (588, 132645), (630, 123802), (666, 117110), (717, 108780), (735, 106116), (740, 105399), (777, 100380), (882, 88430), (956, 81585), (980, 79587), (1036, 75285), (1110, 70266), (1195, 65268), (1260, 61901), (1295, 60228), (1332, 58555), (1434, 54390), (1470, 53058), (1554, 50190), (1665, 46844), (1673, 46620), (1764, 44215), (1813, 43020), (2151, 36260), (2205, 35372), (2220, 35133), (2331, 33460), (2390, 32634), (2590, 30114), (2868, 27195), (2940, 26529), (3108, 25095), (3330, 23422), (3346, 23310), (3585, 21756), (3626, 21510), (3885, 20076), (4302, 18130), (4410, 17686), (4662, 16730), (4780, 16317), (5019, 15540), (5180, 15057), (5439, 14340), (6660, 11711), (6692, 11655), (7170, 10878), (7252, 10755), (7770, 10038), (8365, 9324), (8604, 9065), (8820, 8843)]