29802780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 216

約数和(自身を含む): 109549440

約数和(自身を除く): 79746660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 109, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 218, 245, 252, 279, 294, 310, 315, 327, 372, 420, 434, 436, 441, 465, 490, 545, 558, 588, 620, 630, 651, 654, 735, 763, 868, 882, 930, 980, 981, 1085, 1090, 1116, 1260, 1302, 1308, 1395, 1470, 1519, 1526, 1635, 1764, 1860, 1953, 1962, 2170, 2180, 2205, 2289, 2604, 2790, 2940, 3038, 3052, 3255, 3270, 3379, 3815, 3906, 3924, 4340, 4410, 4557, 4578, 4905, 5341, 5580, 6076, 6510, 6540, 6758, 6867, 7595, 7630, 7812, 8820, 9114, 9156, 9765, 9810, 10137, 10682, 11445, 13020, 13516, 13671, 13734, 15190, 15260, 16023, 16895, 18228, 19530, 19620, 20274, 21364, 22785, 22890, 23653, 26705, 27342, 27468, 30380, 30411, 32046, 33790, 34335, 39060, 40548, 45570, 45780, 47306, 48069, 50685, 53410, 54684, 60822, 64092, 67580, 68355, 68670, 70959, 80115, 91140, 94612, 96138, 101370, 106820, 118265, 121644, 136710, 137340, 141918, 152055, 160230, 165571, 192276, 202740, 212877, 236530, 240345, 273420, 283836, 304110, 320460, 331142, 354795, 425754, 473060, 480690, 496713, 608220, 662284, 709590, 827855, 851508, 961380, 993426, 1064385, 1419180, 1490139, 1655710, 1986852, 2128770, 2483565, 2980278, 3311420, 4257540, 4967130, 5960556, 7450695, 9934260, 14901390, 29802780]

約数ペア:

[(1, 29802780), (2, 14901390), (3, 9934260), (4, 7450695), (5, 5960556), (6, 4967130), (7, 4257540), (9, 3311420), (10, 2980278), (12, 2483565), (14, 2128770), (15, 1986852), (18, 1655710), (20, 1490139), (21, 1419180), (28, 1064385), (30, 993426), (31, 961380), (35, 851508), (36, 827855), (42, 709590), (45, 662284), (49, 608220), (60, 496713), (62, 480690), (63, 473060), (70, 425754), (84, 354795), (90, 331142), (93, 320460), (98, 304110), (105, 283836), (109, 273420), (124, 240345), (126, 236530), (140, 212877), (147, 202740), (155, 192276), (180, 165571), (186, 160230), (196, 152055), (210, 141918), (217, 137340), (218, 136710), (245, 121644), (252, 118265), (279, 106820), (294, 101370), (310, 96138), (315, 94612), (327, 91140), (372, 80115), (420, 70959), (434, 68670), (436, 68355), (441, 67580), (465, 64092), (490, 60822), (545, 54684), (558, 53410), (588, 50685), (620, 48069), (630, 47306), (651, 45780), (654, 45570), (735, 40548), (763, 39060), (868, 34335), (882, 33790), (930, 32046), (980, 30411), (981, 30380), (1085, 27468), (1090, 27342), (1116, 26705), (1260, 23653), (1302, 22890), (1308, 22785), (1395, 21364), (1470, 20274), (1519, 19620), (1526, 19530), (1635, 18228), (1764, 16895), (1860, 16023), (1953, 15260), (1962, 15190), (2170, 13734), (2180, 13671), (2205, 13516), (2289, 13020), (2604, 11445), (2790, 10682), (2940, 10137), (3038, 9810), (3052, 9765), (3255, 9156), (3270, 9114), (3379, 8820), (3815, 7812), (3906, 7630), (3924, 7595), (4340, 6867), (4410, 6758), (4557, 6540), (4578, 6510), (4905, 6076), (5341, 5580)]