210401340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 630594720

約数和(自身を除く): 420193380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 89, 93, 123, 124, 155, 164, 178, 186, 205, 246, 267, 310, 356, 372, 410, 445, 465, 492, 534, 615, 620, 820, 890, 930, 961, 1068, 1230, 1271, 1335, 1780, 1860, 1922, 2460, 2542, 2670, 2759, 2883, 3649, 3813, 3844, 4805, 5084, 5340, 5518, 5766, 6355, 7298, 7626, 8277, 9610, 10947, 11036, 11532, 12710, 13795, 14415, 14596, 15252, 16554, 18245, 19065, 19220, 21894, 25420, 27590, 28830, 33108, 36490, 38130, 39401, 41385, 43788, 54735, 55180, 57660, 72980, 76260, 78802, 82770, 85529, 109470, 113119, 118203, 157604, 165540, 171058, 197005, 218940, 226238, 236406, 256587, 339357, 342116, 394010, 427645, 452476, 472812, 513174, 565595, 591015, 678714, 788020, 855290, 1026348, 1131190, 1182030, 1282935, 1357428, 1696785, 1710580, 2262380, 2364060, 2565870, 3393570, 3506689, 5131740, 6787140, 7013378, 10520067, 14026756, 17533445, 21040134, 35066890, 42080268, 52600335, 70133780, 105200670, 210401340]

約数ペア:

[(1, 210401340), (2, 105200670), (3, 70133780), (4, 52600335), (5, 42080268), (6, 35066890), (10, 21040134), (12, 17533445), (15, 14026756), (20, 10520067), (30, 7013378), (31, 6787140), (41, 5131740), (60, 3506689), (62, 3393570), (82, 2565870), (89, 2364060), (93, 2262380), (123, 1710580), (124, 1696785), (155, 1357428), (164, 1282935), (178, 1182030), (186, 1131190), (205, 1026348), (246, 855290), (267, 788020), (310, 678714), (356, 591015), (372, 565595), (410, 513174), (445, 472812), (465, 452476), (492, 427645), (534, 394010), (615, 342116), (620, 339357), (820, 256587), (890, 236406), (930, 226238), (961, 218940), (1068, 197005), (1230, 171058), (1271, 165540), (1335, 157604), (1780, 118203), (1860, 113119), (1922, 109470), (2460, 85529), (2542, 82770), (2670, 78802), (2759, 76260), (2883, 72980), (3649, 57660), (3813, 55180), (3844, 54735), (4805, 43788), (5084, 41385), (5340, 39401), (5518, 38130), (5766, 36490), (6355, 33108), (7298, 28830), (7626, 27590), (8277, 25420), (9610, 21894), (10947, 19220), (11036, 19065), (11532, 18245), (12710, 16554), (13795, 15252), (14415, 14596)]