23969820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 80898048

約数和(自身を除く): 56928228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 263, 294, 310, 372, 420, 434, 465, 490, 526, 588, 620, 651, 735, 789, 868, 930, 980, 1052, 1085, 1302, 1315, 1470, 1519, 1578, 1841, 1860, 2170, 2604, 2630, 2940, 3038, 3156, 3255, 3682, 3945, 4340, 4557, 5260, 5523, 6076, 6510, 7364, 7595, 7890, 8153, 9114, 9205, 11046, 12887, 13020, 15190, 15780, 16306, 18228, 18410, 22092, 22785, 24459, 25774, 27615, 30380, 32612, 36820, 38661, 40765, 45570, 48918, 51548, 55230, 57071, 64435, 77322, 81530, 91140, 97836, 110460, 114142, 122295, 128870, 154644, 163060, 171213, 193305, 228284, 244590, 257740, 285355, 342426, 386610, 399497, 489180, 570710, 684852, 773220, 798994, 856065, 1141420, 1198491, 1597988, 1712130, 1997485, 2396982, 3424260, 3994970, 4793964, 5992455, 7989940, 11984910, 23969820]

約数ペア:

[(1, 23969820), (2, 11984910), (3, 7989940), (4, 5992455), (5, 4793964), (6, 3994970), (7, 3424260), (10, 2396982), (12, 1997485), (14, 1712130), (15, 1597988), (20, 1198491), (21, 1141420), (28, 856065), (30, 798994), (31, 773220), (35, 684852), (42, 570710), (49, 489180), (60, 399497), (62, 386610), (70, 342426), (84, 285355), (93, 257740), (98, 244590), (105, 228284), (124, 193305), (140, 171213), (147, 163060), (155, 154644), (186, 128870), (196, 122295), (210, 114142), (217, 110460), (245, 97836), (263, 91140), (294, 81530), (310, 77322), (372, 64435), (420, 57071), (434, 55230), (465, 51548), (490, 48918), (526, 45570), (588, 40765), (620, 38661), (651, 36820), (735, 32612), (789, 30380), (868, 27615), (930, 25774), (980, 24459), (1052, 22785), (1085, 22092), (1302, 18410), (1315, 18228), (1470, 16306), (1519, 15780), (1578, 15190), (1841, 13020), (1860, 12887), (2170, 11046), (2604, 9205), (2630, 9114), (2940, 8153), (3038, 7890), (3156, 7595), (3255, 7364), (3682, 6510), (3945, 6076), (4340, 5523), (4557, 5260)]