209681160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 681367680

約数和(自身を除く): 471686520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 257, 260, 312, 390, 514, 520, 523, 771, 780, 1028, 1046, 1285, 1542, 1560, 1569, 2056, 2092, 2570, 2615, 3084, 3138, 3341, 3855, 4184, 5140, 5230, 6168, 6276, 6682, 6799, 7710, 7845, 10023, 10280, 10460, 12552, 13364, 13598, 15420, 15690, 16705, 20046, 20397, 20920, 26728, 27196, 30840, 31380, 33410, 33995, 40092, 40794, 50115, 54392, 62760, 66820, 67990, 80184, 81588, 100230, 101985, 133640, 134411, 135980, 163176, 200460, 203970, 268822, 271960, 400920, 403233, 407940, 537644, 672055, 806466, 815880, 1075288, 1344110, 1612932, 1747343, 2016165, 2688220, 3225864, 3494686, 4032330, 5242029, 5376440, 6989372, 8064660, 8736715, 10484058, 13978744, 16129320, 17473430, 20968116, 26210145, 34946860, 41936232, 52420290, 69893720, 104840580, 209681160]

約数ペア:

[(1, 209681160), (2, 104840580), (3, 69893720), (4, 52420290), (5, 41936232), (6, 34946860), (8, 26210145), (10, 20968116), (12, 17473430), (13, 16129320), (15, 13978744), (20, 10484058), (24, 8736715), (26, 8064660), (30, 6989372), (39, 5376440), (40, 5242029), (52, 4032330), (60, 3494686), (65, 3225864), (78, 2688220), (104, 2016165), (120, 1747343), (130, 1612932), (156, 1344110), (195, 1075288), (257, 815880), (260, 806466), (312, 672055), (390, 537644), (514, 407940), (520, 403233), (523, 400920), (771, 271960), (780, 268822), (1028, 203970), (1046, 200460), (1285, 163176), (1542, 135980), (1560, 134411), (1569, 133640), (2056, 101985), (2092, 100230), (2570, 81588), (2615, 80184), (3084, 67990), (3138, 66820), (3341, 62760), (3855, 54392), (4184, 50115), (5140, 40794), (5230, 40092), (6168, 33995), (6276, 33410), (6682, 31380), (6799, 30840), (7710, 27196), (7845, 26728), (10023, 20920), (10280, 20397), (10460, 20046), (12552, 16705), (13364, 15690), (13598, 15420)]