78741240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 248555520

約数和(自身を除く): 169814280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 347, 366, 372, 465, 488, 610, 620, 694, 732, 744, 915, 930, 1041, 1220, 1240, 1388, 1464, 1735, 1830, 1860, 1891, 2082, 2440, 2776, 3470, 3660, 3720, 3782, 4164, 5205, 5673, 6940, 7320, 7564, 8328, 9455, 10410, 10757, 11346, 13880, 15128, 18910, 20820, 21167, 21514, 22692, 28365, 32271, 37820, 41640, 42334, 43028, 45384, 53785, 56730, 63501, 64542, 75640, 84668, 86056, 105835, 107570, 113460, 127002, 129084, 161355, 169336, 211670, 215140, 226920, 254004, 258168, 317505, 322710, 423340, 430280, 508008, 635010, 645420, 656177, 846680, 1270020, 1290840, 1312354, 1968531, 2540040, 2624708, 3280885, 3937062, 5249416, 6561770, 7874124, 9842655, 13123540, 15748248, 19685310, 26247080, 39370620, 78741240]

約数ペア:

[(1, 78741240), (2, 39370620), (3, 26247080), (4, 19685310), (5, 15748248), (6, 13123540), (8, 9842655), (10, 7874124), (12, 6561770), (15, 5249416), (20, 3937062), (24, 3280885), (30, 2624708), (31, 2540040), (40, 1968531), (60, 1312354), (61, 1290840), (62, 1270020), (93, 846680), (120, 656177), (122, 645420), (124, 635010), (155, 508008), (183, 430280), (186, 423340), (244, 322710), (248, 317505), (305, 258168), (310, 254004), (347, 226920), (366, 215140), (372, 211670), (465, 169336), (488, 161355), (610, 129084), (620, 127002), (694, 113460), (732, 107570), (744, 105835), (915, 86056), (930, 84668), (1041, 75640), (1220, 64542), (1240, 63501), (1388, 56730), (1464, 53785), (1735, 45384), (1830, 43028), (1860, 42334), (1891, 41640), (2082, 37820), (2440, 32271), (2776, 28365), (3470, 22692), (3660, 21514), (3720, 21167), (3782, 20820), (4164, 18910), (5205, 15128), (5673, 13880), (6940, 11346), (7320, 10757), (7564, 10410), (8328, 9455)]