17879940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 60785088

約数和(自身を除く): 42905148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 283, 324, 351, 390, 405, 468, 486, 540, 566, 585, 702, 780, 810, 849, 972, 1053, 1132, 1170, 1215, 1404, 1415, 1620, 1698, 1755, 2106, 2340, 2430, 2547, 2830, 3159, 3396, 3510, 3679, 4212, 4245, 4860, 5094, 5265, 5660, 6318, 7020, 7358, 7641, 8490, 10188, 10530, 11037, 12636, 12735, 14716, 15282, 15795, 16980, 18395, 21060, 22074, 22923, 25470, 30564, 31590, 33111, 36790, 38205, 44148, 45846, 50940, 55185, 63180, 66222, 68769, 73580, 76410, 91692, 99333, 110370, 114615, 132444, 137538, 152820, 165555, 198666, 220740, 229230, 275076, 297999, 331110, 343845, 397332, 458460, 496665, 595998, 662220, 687690, 893997, 993330, 1191996, 1375380, 1489995, 1787994, 1986660, 2979990, 3575988, 4469985, 5959980, 8939970, 17879940]

約数ペア:

[(1, 17879940), (2, 8939970), (3, 5959980), (4, 4469985), (5, 3575988), (6, 2979990), (9, 1986660), (10, 1787994), (12, 1489995), (13, 1375380), (15, 1191996), (18, 993330), (20, 893997), (26, 687690), (27, 662220), (30, 595998), (36, 496665), (39, 458460), (45, 397332), (52, 343845), (54, 331110), (60, 297999), (65, 275076), (78, 229230), (81, 220740), (90, 198666), (108, 165555), (117, 152820), (130, 137538), (135, 132444), (156, 114615), (162, 110370), (180, 99333), (195, 91692), (234, 76410), (243, 73580), (260, 68769), (270, 66222), (283, 63180), (324, 55185), (351, 50940), (390, 45846), (405, 44148), (468, 38205), (486, 36790), (540, 33111), (566, 31590), (585, 30564), (702, 25470), (780, 22923), (810, 22074), (849, 21060), (972, 18395), (1053, 16980), (1132, 15795), (1170, 15282), (1215, 14716), (1404, 12735), (1415, 12636), (1620, 11037), (1698, 10530), (1755, 10188), (2106, 8490), (2340, 7641), (2430, 7358), (2547, 7020), (2830, 6318), (3159, 5660), (3396, 5265), (3510, 5094), (3679, 4860), (4212, 4245)]