1278791280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45541}}^1$

素因数の和:45576

約数の個数: 160

約数和(自身を含む): 4743654720

約数和(自身を除く): 3464863440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 45541, 91082, 136623, 182164, 227705, 273246, 364328, 409869, 455410, 546492, 592033, 683115, 728656, 819738, 910820, 1092984, 1184066, 1229607, 1366230, 1639476, 1776099, 1821640, 2049345, 2185968, 2368132, 2459214, 2732460, 2960165, 3278952, 3552198, 3643280, 4098690, 4736264, 4918428, 5328297, 5464920, 5920330, 6148035, 6557904, 7104396, 8197380, 8880495, 9472528, 9836856, 10656594, 10929840, 11840660, 12296070, 14208792, 15984891, 16394760, 17760990, 19673712, 21313188, 23681320, 24592140, 26641485, 28417584, 31969782, 32789520, 35521980, 42626376, 47362640, 49184280, 53282970, 63939564, 71043960, 79924455, 85252752, 98368560, 106565940, 127879128, 142087920, 159848910, 213131880, 255758256, 319697820, 426263760, 639395640, 1278791280]

約数ペア:

[(1, 1278791280), (2, 639395640), (3, 426263760), (4, 319697820), (5, 255758256), (6, 213131880), (8, 159848910), (9, 142087920), (10, 127879128), (12, 106565940), (13, 98368560), (15, 85252752), (16, 79924455), (18, 71043960), (20, 63939564), (24, 53282970), (26, 49184280), (27, 47362640), (30, 42626376), (36, 35521980), (39, 32789520), (40, 31969782), (45, 28417584), (48, 26641485), (52, 24592140), (54, 23681320), (60, 21313188), (65, 19673712), (72, 17760990), (78, 16394760), (80, 15984891), (90, 14208792), (104, 12296070), (108, 11840660), (117, 10929840), (120, 10656594), (130, 9836856), (135, 9472528), (144, 8880495), (156, 8197380), (180, 7104396), (195, 6557904), (208, 6148035), (216, 5920330), (234, 5464920), (240, 5328297), (260, 4918428), (270, 4736264), (312, 4098690), (351, 3643280), (360, 3552198), (390, 3278952), (432, 2960165), (468, 2732460), (520, 2459214), (540, 2368132), (585, 2185968), (624, 2049345), (702, 1821640), (720, 1776099), (780, 1639476), (936, 1366230), (1040, 1229607), (1080, 1184066), (1170, 1092984), (1404, 910820), (1560, 819738), (1755, 728656), (1872, 683115), (2160, 592033), (2340, 546492), (2808, 455410), (3120, 409869), (3510, 364328), (4680, 273246), (5616, 227705), (7020, 182164), (9360, 136623), (14040, 91082), (28080, 45541)]