84139740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 265399680

約数和(自身を除く): 181259940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 79, 90, 97, 122, 158, 180, 183, 194, 237, 244, 291, 305, 316, 366, 388, 395, 474, 485, 549, 582, 610, 711, 732, 790, 873, 915, 948, 970, 1098, 1164, 1185, 1220, 1422, 1455, 1580, 1746, 1830, 1940, 2196, 2370, 2745, 2844, 2910, 3492, 3555, 3660, 4365, 4740, 4819, 5490, 5820, 5917, 7110, 7663, 8730, 9638, 10980, 11834, 14220, 14457, 15326, 17460, 17751, 19276, 22989, 23668, 24095, 28914, 29585, 30652, 35502, 38315, 43371, 45978, 48190, 53253, 57828, 59170, 68967, 71004, 72285, 76630, 86742, 88755, 91956, 96380, 106506, 114945, 118340, 137934, 144570, 153260, 173484, 177510, 213012, 216855, 229890, 266265, 275868, 289140, 344835, 355020, 433710, 459780, 467443, 532530, 689670, 867420, 934886, 1065060, 1379340, 1402329, 1869772, 2337215, 2804658, 4206987, 4674430, 5609316, 7011645, 8413974, 9348860, 14023290, 16827948, 21034935, 28046580, 42069870, 84139740]

約数ペア:

[(1, 84139740), (2, 42069870), (3, 28046580), (4, 21034935), (5, 16827948), (6, 14023290), (9, 9348860), (10, 8413974), (12, 7011645), (15, 5609316), (18, 4674430), (20, 4206987), (30, 2804658), (36, 2337215), (45, 1869772), (60, 1402329), (61, 1379340), (79, 1065060), (90, 934886), (97, 867420), (122, 689670), (158, 532530), (180, 467443), (183, 459780), (194, 433710), (237, 355020), (244, 344835), (291, 289140), (305, 275868), (316, 266265), (366, 229890), (388, 216855), (395, 213012), (474, 177510), (485, 173484), (549, 153260), (582, 144570), (610, 137934), (711, 118340), (732, 114945), (790, 106506), (873, 96380), (915, 91956), (948, 88755), (970, 86742), (1098, 76630), (1164, 72285), (1185, 71004), (1220, 68967), (1422, 59170), (1455, 57828), (1580, 53253), (1746, 48190), (1830, 45978), (1940, 43371), (2196, 38315), (2370, 35502), (2745, 30652), (2844, 29585), (2910, 28914), (3492, 24095), (3555, 23668), (3660, 22989), (4365, 19276), (4740, 17751), (4819, 17460), (5490, 15326), (5820, 14457), (5917, 14220), (7110, 11834), (7663, 10980), (8730, 9638)]