80003560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 229017600

約数和(自身を除く): 149014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 709, 728, 806, 868, 910, 1085, 1240, 1418, 1612, 1736, 1820, 2015, 2170, 2821, 2836, 3224, 3545, 3640, 4030, 4340, 4963, 5642, 5672, 7090, 8060, 8680, 9217, 9926, 11284, 14105, 14180, 16120, 18434, 19852, 21979, 22568, 24815, 28210, 28360, 36868, 39704, 43958, 46085, 49630, 56420, 64519, 73736, 87916, 92170, 99260, 109895, 112840, 129038, 153853, 175832, 184340, 198520, 219790, 258076, 285727, 307706, 322595, 368680, 439580, 516152, 571454, 615412, 645190, 769265, 879160, 1142908, 1230824, 1290380, 1428635, 1538530, 2000089, 2285816, 2580760, 2857270, 3077060, 4000178, 5714540, 6154120, 8000356, 10000445, 11429080, 16000712, 20000890, 40001780, 80003560]

約数ペア:

[(1, 80003560), (2, 40001780), (4, 20000890), (5, 16000712), (7, 11429080), (8, 10000445), (10, 8000356), (13, 6154120), (14, 5714540), (20, 4000178), (26, 3077060), (28, 2857270), (31, 2580760), (35, 2285816), (40, 2000089), (52, 1538530), (56, 1428635), (62, 1290380), (65, 1230824), (70, 1142908), (91, 879160), (104, 769265), (124, 645190), (130, 615412), (140, 571454), (155, 516152), (182, 439580), (217, 368680), (248, 322595), (260, 307706), (280, 285727), (310, 258076), (364, 219790), (403, 198520), (434, 184340), (455, 175832), (520, 153853), (620, 129038), (709, 112840), (728, 109895), (806, 99260), (868, 92170), (910, 87916), (1085, 73736), (1240, 64519), (1418, 56420), (1612, 49630), (1736, 46085), (1820, 43958), (2015, 39704), (2170, 36868), (2821, 28360), (2836, 28210), (3224, 24815), (3545, 22568), (3640, 21979), (4030, 19852), (4340, 18434), (4963, 16120), (5642, 14180), (5672, 14105), (7090, 11284), (8060, 9926), (8680, 9217)]