1266881480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1279

約数の個数: 128

約数和(自身を含む): 3174526080

約数和(自身を除く): 1907644600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 43, 68, 74, 85, 86, 136, 148, 170, 172, 185, 215, 296, 340, 344, 370, 430, 629, 680, 731, 740, 860, 1171, 1258, 1462, 1480, 1591, 1720, 2342, 2516, 2924, 3145, 3182, 3655, 4684, 5032, 5848, 5855, 6290, 6364, 7310, 7955, 9368, 11710, 12580, 12728, 14620, 15910, 19907, 23420, 25160, 27047, 29240, 31820, 39814, 43327, 46840, 50353, 54094, 63640, 79628, 86654, 99535, 100706, 108188, 135235, 159256, 173308, 199070, 201412, 216376, 216635, 251765, 270470, 346616, 398140, 402824, 433270, 503530, 540940, 736559, 796280, 856001, 866540, 1007060, 1081880, 1473118, 1712002, 1733080, 1863061, 2014120, 2946236, 3424004, 3682795, 3726122, 4280005, 5892472, 6848008, 7365590, 7452244, 8560010, 9315305, 14731180, 14904488, 17120020, 18630610, 29462360, 31672037, 34240040, 37261220, 63344074, 74522440, 126688148, 158360185, 253376296, 316720370, 633440740, 1266881480]

約数ペア:

[(1, 1266881480), (2, 633440740), (4, 316720370), (5, 253376296), (8, 158360185), (10, 126688148), (17, 74522440), (20, 63344074), (34, 37261220), (37, 34240040), (40, 31672037), (43, 29462360), (68, 18630610), (74, 17120020), (85, 14904488), (86, 14731180), (136, 9315305), (148, 8560010), (170, 7452244), (172, 7365590), (185, 6848008), (215, 5892472), (296, 4280005), (340, 3726122), (344, 3682795), (370, 3424004), (430, 2946236), (629, 2014120), (680, 1863061), (731, 1733080), (740, 1712002), (860, 1473118), (1171, 1081880), (1258, 1007060), (1462, 866540), (1480, 856001), (1591, 796280), (1720, 736559), (2342, 540940), (2516, 503530), (2924, 433270), (3145, 402824), (3182, 398140), (3655, 346616), (4684, 270470), (5032, 251765), (5848, 216635), (5855, 216376), (6290, 201412), (6364, 199070), (7310, 173308), (7955, 159256), (9368, 135235), (11710, 108188), (12580, 100706), (12728, 99535), (14620, 86654), (15910, 79628), (19907, 63640), (23420, 54094), (25160, 50353), (27047, 46840), (29240, 43327), (31820, 39814)]