1640999880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11311}}^1$

素因数の和:11372

約数の個数: 192

約数和(自身を含む): 5929297920

約数和(自身を除く): 4288298040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 4030, 4680, 4836, 5580, 6045, 7254, 8060, 9672, 11160, 11311, 12090, 14508, 16120, 18135, 22622, 24180, 29016, 33933, 36270, 45244, 48360, 56555, 67866, 72540, 90488, 101799, 113110, 135732, 145080, 147043, 169665, 203598, 226220, 271464, 294086, 339330, 350641, 407196, 441129, 452440, 508995, 588172, 678660, 701282, 735215, 814392, 882258, 1017990, 1051923, 1176344, 1323387, 1357320, 1402564, 1470430, 1753205, 1764516, 2035980, 2103846, 2205645, 2646774, 2805128, 2940860, 3155769, 3506410, 3529032, 4071960, 4207692, 4411290, 4558333, 5259615, 5293548, 5881720, 6311538, 6616935, 7012820, 8415384, 8822580, 9116666, 10519230, 10587096, 12623076, 13233870, 13674999, 14025640, 15778845, 17645160, 18233332, 21038460, 22791665, 25246152, 26467740, 27349998, 31557690, 36466664, 41024997, 42076920, 45583330, 52935480, 54699996, 63115380, 68374995, 82049994, 91166660, 109399992, 126230760, 136749990, 164099988, 182333320, 205124985, 273499980, 328199976, 410249970, 546999960, 820499940, 1640999880]

約数ペア:

[(1, 1640999880), (2, 820499940), (3, 546999960), (4, 410249970), (5, 328199976), (6, 273499980), (8, 205124985), (9, 182333320), (10, 164099988), (12, 136749990), (13, 126230760), (15, 109399992), (18, 91166660), (20, 82049994), (24, 68374995), (26, 63115380), (30, 54699996), (31, 52935480), (36, 45583330), (39, 42076920), (40, 41024997), (45, 36466664), (52, 31557690), (60, 27349998), (62, 26467740), (65, 25246152), (72, 22791665), (78, 21038460), (90, 18233332), (93, 17645160), (104, 15778845), (117, 14025640), (120, 13674999), (124, 13233870), (130, 12623076), (155, 10587096), (156, 10519230), (180, 9116666), (186, 8822580), (195, 8415384), (234, 7012820), (248, 6616935), (260, 6311538), (279, 5881720), (310, 5293548), (312, 5259615), (360, 4558333), (372, 4411290), (390, 4207692), (403, 4071960), (465, 3529032), (468, 3506410), (520, 3155769), (558, 2940860), (585, 2805128), (620, 2646774), (744, 2205645), (780, 2103846), (806, 2035980), (930, 1764516), (936, 1753205), (1116, 1470430), (1170, 1402564), (1209, 1357320), (1240, 1323387), (1395, 1176344), (1560, 1051923), (1612, 1017990), (1860, 882258), (2015, 814392), (2232, 735215), (2340, 701282), (2418, 678660), (2790, 588172), (3224, 508995), (3627, 452440), (3720, 441129), (4030, 407196), (4680, 350641), (4836, 339330), (5580, 294086), (6045, 271464), (7254, 226220), (8060, 203598), (9672, 169665), (11160, 147043), (11311, 145080), (12090, 135732), (14508, 113110), (16120, 101799), (18135, 90488), (22622, 72540), (24180, 67866), (29016, 56555), (33933, 48360), (36270, 45244)]