66116680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 178560000

約数和(自身を除く): 112443320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 79, 98, 122, 140, 158, 196, 244, 245, 280, 305, 316, 343, 392, 395, 427, 488, 490, 553, 610, 632, 686, 790, 854, 980, 1106, 1220, 1372, 1580, 1708, 1715, 1960, 2135, 2212, 2440, 2744, 2765, 2989, 3160, 3416, 3430, 3871, 4270, 4424, 4819, 5530, 5978, 6860, 7742, 8540, 9638, 11060, 11956, 13720, 14945, 15484, 17080, 19276, 19355, 20923, 22120, 23912, 24095, 27097, 29890, 30968, 33733, 38552, 38710, 41846, 48190, 54194, 59780, 67466, 77420, 83692, 96380, 104615, 108388, 119560, 134932, 135485, 154840, 167384, 168665, 192760, 209230, 216776, 236131, 269864, 270970, 337330, 418460, 472262, 541940, 674660, 836920, 944524, 1083880, 1180655, 1349320, 1652917, 1889048, 2361310, 3305834, 4722620, 6611668, 8264585, 9445240, 13223336, 16529170, 33058340, 66116680]

約数ペア:

[(1, 66116680), (2, 33058340), (4, 16529170), (5, 13223336), (7, 9445240), (8, 8264585), (10, 6611668), (14, 4722620), (20, 3305834), (28, 2361310), (35, 1889048), (40, 1652917), (49, 1349320), (56, 1180655), (61, 1083880), (70, 944524), (79, 836920), (98, 674660), (122, 541940), (140, 472262), (158, 418460), (196, 337330), (244, 270970), (245, 269864), (280, 236131), (305, 216776), (316, 209230), (343, 192760), (392, 168665), (395, 167384), (427, 154840), (488, 135485), (490, 134932), (553, 119560), (610, 108388), (632, 104615), (686, 96380), (790, 83692), (854, 77420), (980, 67466), (1106, 59780), (1220, 54194), (1372, 48190), (1580, 41846), (1708, 38710), (1715, 38552), (1960, 33733), (2135, 30968), (2212, 29890), (2440, 27097), (2744, 24095), (2765, 23912), (2989, 22120), (3160, 20923), (3416, 19355), (3430, 19276), (3871, 17080), (4270, 15484), (4424, 14945), (4819, 13720), (5530, 11956), (5978, 11060), (6860, 9638), (7742, 8540)]