123073720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 128

約数和(自身を含む): 356659200

約数和(自身を除く): 233585480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1289, 1364, 1540, 1705, 1736, 2170, 2387, 2578, 2728, 3080, 3410, 4340, 4774, 5156, 6445, 6820, 8680, 9023, 9548, 10312, 11935, 12890, 13640, 14179, 18046, 19096, 23870, 25780, 28358, 36092, 39959, 45115, 47740, 51560, 56716, 70895, 72184, 79918, 90230, 95480, 99253, 113432, 141790, 159836, 180460, 198506, 199795, 279713, 283580, 319672, 360920, 397012, 399590, 439549, 496265, 559426, 567160, 794024, 799180, 879098, 992530, 1118852, 1398565, 1598360, 1758196, 1985060, 2197745, 2237704, 2797130, 3076843, 3516392, 3970120, 4395490, 5594260, 6153686, 8790980, 11188520, 12307372, 15384215, 17581960, 24614744, 30768430, 61536860, 123073720]

約数ペア:

[(1, 123073720), (2, 61536860), (4, 30768430), (5, 24614744), (7, 17581960), (8, 15384215), (10, 12307372), (11, 11188520), (14, 8790980), (20, 6153686), (22, 5594260), (28, 4395490), (31, 3970120), (35, 3516392), (40, 3076843), (44, 2797130), (55, 2237704), (56, 2197745), (62, 1985060), (70, 1758196), (77, 1598360), (88, 1398565), (110, 1118852), (124, 992530), (140, 879098), (154, 799180), (155, 794024), (217, 567160), (220, 559426), (248, 496265), (280, 439549), (308, 399590), (310, 397012), (341, 360920), (385, 319672), (434, 283580), (440, 279713), (616, 199795), (620, 198506), (682, 180460), (770, 159836), (868, 141790), (1085, 113432), (1240, 99253), (1289, 95480), (1364, 90230), (1540, 79918), (1705, 72184), (1736, 70895), (2170, 56716), (2387, 51560), (2578, 47740), (2728, 45115), (3080, 39959), (3410, 36092), (4340, 28358), (4774, 25780), (5156, 23870), (6445, 19096), (6820, 18046), (8680, 14179), (9023, 13640), (9548, 12890), (10312, 11935)]