81421536

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:957

約数の個数: 144

約数和(自身を含む): 261999360

約数和(自身を除く): 180577824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 76, 84, 96, 98, 112, 114, 133, 147, 152, 168, 196, 224, 228, 266, 294, 304, 336, 392, 399, 456, 532, 588, 608, 672, 784, 798, 911, 912, 931, 1064, 1176, 1568, 1596, 1822, 1824, 1862, 2128, 2352, 2733, 2793, 3192, 3644, 3724, 4256, 4704, 5466, 5586, 6377, 6384, 7288, 7448, 10932, 11172, 12754, 12768, 14576, 14896, 17309, 19131, 21864, 22344, 25508, 29152, 29792, 34618, 38262, 43728, 44639, 44688, 51016, 51927, 69236, 76524, 87456, 89278, 89376, 102032, 103854, 121163, 133917, 138472, 153048, 178556, 204064, 207708, 242326, 267834, 276944, 306096, 357112, 363489, 415416, 484652, 535668, 553888, 612192, 714224, 726978, 830832, 848141, 969304, 1071336, 1428448, 1453956, 1661664, 1696282, 1938608, 2142672, 2544423, 2907912, 3392564, 3877216, 4285344, 5088846, 5815824, 6785128, 10177692, 11631648, 13570256, 20355384, 27140512, 40710768, 81421536]

約数ペア:

[(1, 81421536), (2, 40710768), (3, 27140512), (4, 20355384), (6, 13570256), (7, 11631648), (8, 10177692), (12, 6785128), (14, 5815824), (16, 5088846), (19, 4285344), (21, 3877216), (24, 3392564), (28, 2907912), (32, 2544423), (38, 2142672), (42, 1938608), (48, 1696282), (49, 1661664), (56, 1453956), (57, 1428448), (76, 1071336), (84, 969304), (96, 848141), (98, 830832), (112, 726978), (114, 714224), (133, 612192), (147, 553888), (152, 535668), (168, 484652), (196, 415416), (224, 363489), (228, 357112), (266, 306096), (294, 276944), (304, 267834), (336, 242326), (392, 207708), (399, 204064), (456, 178556), (532, 153048), (588, 138472), (608, 133917), (672, 121163), (784, 103854), (798, 102032), (911, 89376), (912, 89278), (931, 87456), (1064, 76524), (1176, 69236), (1568, 51927), (1596, 51016), (1822, 44688), (1824, 44639), (1862, 43728), (2128, 38262), (2352, 34618), (2733, 29792), (2793, 29152), (3192, 25508), (3644, 22344), (3724, 21864), (4256, 19131), (4704, 17309), (5466, 14896), (5586, 14576), (6377, 12768), (6384, 12754), (7288, 11172), (7448, 10932)]