90771660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 320104512

約数和(自身を除く): 229332852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1181, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2362, 2562, 2745, 3543, 3660, 3843, 4270, 4724, 5124, 5490, 5905, 6405, 7086, 7686, 8267, 8540, 10629, 10980, 11810, 12810, 14172, 15372, 16534, 17715, 19215, 21258, 23620, 24801, 25620, 33068, 35430, 38430, 41335, 42516, 49602, 53145, 70860, 72041, 74403, 76860, 82670, 99204, 106290, 124005, 144082, 148806, 165340, 212580, 216123, 248010, 288164, 297612, 360205, 372015, 432246, 496020, 504287, 648369, 720410, 744030, 864492, 1008574, 1080615, 1296738, 1440820, 1488060, 1512861, 2017148, 2161230, 2521435, 2593476, 3025722, 3241845, 4322460, 4538583, 5042870, 6051444, 6483690, 7564305, 9077166, 10085740, 12967380, 15128610, 18154332, 22692915, 30257220, 45385830, 90771660]

約数ペア:

[(1, 90771660), (2, 45385830), (3, 30257220), (4, 22692915), (5, 18154332), (6, 15128610), (7, 12967380), (9, 10085740), (10, 9077166), (12, 7564305), (14, 6483690), (15, 6051444), (18, 5042870), (20, 4538583), (21, 4322460), (28, 3241845), (30, 3025722), (35, 2593476), (36, 2521435), (42, 2161230), (45, 2017148), (60, 1512861), (61, 1488060), (63, 1440820), (70, 1296738), (84, 1080615), (90, 1008574), (105, 864492), (122, 744030), (126, 720410), (140, 648369), (180, 504287), (183, 496020), (210, 432246), (244, 372015), (252, 360205), (305, 297612), (315, 288164), (366, 248010), (420, 216123), (427, 212580), (549, 165340), (610, 148806), (630, 144082), (732, 124005), (854, 106290), (915, 99204), (1098, 82670), (1181, 76860), (1220, 74403), (1260, 72041), (1281, 70860), (1708, 53145), (1830, 49602), (2135, 42516), (2196, 41335), (2362, 38430), (2562, 35430), (2745, 33068), (3543, 25620), (3660, 24801), (3843, 23620), (4270, 21258), (4724, 19215), (5124, 17715), (5490, 16534), (5905, 15372), (6405, 14172), (7086, 12810), (7686, 11810), (8267, 10980), (8540, 10629)]