30492840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 108011520

約数和(自身を除く): 77518680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1171, 1240, 1302, 1736, 1860, 2170, 2342, 2604, 3255, 3513, 3720, 4340, 4684, 5208, 5855, 6510, 7026, 8197, 8680, 9368, 11710, 13020, 14052, 16394, 17565, 23420, 24591, 26040, 28104, 32788, 35130, 36301, 40985, 46840, 49182, 65576, 70260, 72602, 81970, 98364, 108903, 122955, 140520, 145204, 163940, 181505, 196728, 217806, 245910, 254107, 290408, 327880, 363010, 435612, 491820, 508214, 544515, 726020, 762321, 871224, 983640, 1016428, 1089030, 1270535, 1452040, 1524642, 2032856, 2178060, 2541070, 3049284, 3811605, 4356120, 5082140, 6098568, 7623210, 10164280, 15246420, 30492840]

約数ペア:

[(1, 30492840), (2, 15246420), (3, 10164280), (4, 7623210), (5, 6098568), (6, 5082140), (7, 4356120), (8, 3811605), (10, 3049284), (12, 2541070), (14, 2178060), (15, 2032856), (20, 1524642), (21, 1452040), (24, 1270535), (28, 1089030), (30, 1016428), (31, 983640), (35, 871224), (40, 762321), (42, 726020), (56, 544515), (60, 508214), (62, 491820), (70, 435612), (84, 363010), (93, 327880), (105, 290408), (120, 254107), (124, 245910), (140, 217806), (155, 196728), (168, 181505), (186, 163940), (210, 145204), (217, 140520), (248, 122955), (280, 108903), (310, 98364), (372, 81970), (420, 72602), (434, 70260), (465, 65576), (620, 49182), (651, 46840), (744, 40985), (840, 36301), (868, 35130), (930, 32788), (1085, 28104), (1171, 26040), (1240, 24591), (1302, 23420), (1736, 17565), (1860, 16394), (2170, 14052), (2342, 13020), (2604, 11710), (3255, 9368), (3513, 8680), (3720, 8197), (4340, 7026), (4684, 6510), (5208, 5855)]