281983968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2293}}^1$

素因数の和:2377

約数の個数: 144

約数和(自身を含む): 931877856

約数和(自身を除く): 649893888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 72, 84, 96, 112, 122, 126, 144, 168, 183, 224, 244, 252, 288, 336, 366, 427, 488, 504, 549, 672, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 1952, 2016, 2196, 2293, 2562, 2928, 3416, 3843, 4392, 4586, 5124, 5856, 6832, 6879, 7686, 8784, 9172, 10248, 13664, 13758, 15372, 16051, 17568, 18344, 20496, 20637, 27516, 30744, 32102, 36688, 40992, 41274, 48153, 55032, 61488, 64204, 73376, 82548, 96306, 110064, 122976, 128408, 139873, 144459, 165096, 192612, 220128, 256816, 279746, 288918, 330192, 385224, 419619, 513632, 559492, 577836, 660384, 770448, 839238, 979111, 1118984, 1155672, 1258857, 1540896, 1678476, 1958222, 2237968, 2311344, 2517714, 2937333, 3356952, 3916444, 4475936, 4622688, 5035428, 5874666, 6713904, 7832888, 8811999, 10070856, 11749332, 13427808, 15665776, 17623998, 20141712, 23498664, 31331552, 35247996, 40283424, 46997328, 70495992, 93994656, 140991984, 281983968]

約数ペア:

[(1, 281983968), (2, 140991984), (3, 93994656), (4, 70495992), (6, 46997328), (7, 40283424), (8, 35247996), (9, 31331552), (12, 23498664), (14, 20141712), (16, 17623998), (18, 15665776), (21, 13427808), (24, 11749332), (28, 10070856), (32, 8811999), (36, 7832888), (42, 6713904), (48, 5874666), (56, 5035428), (61, 4622688), (63, 4475936), (72, 3916444), (84, 3356952), (96, 2937333), (112, 2517714), (122, 2311344), (126, 2237968), (144, 1958222), (168, 1678476), (183, 1540896), (224, 1258857), (244, 1155672), (252, 1118984), (288, 979111), (336, 839238), (366, 770448), (427, 660384), (488, 577836), (504, 559492), (549, 513632), (672, 419619), (732, 385224), (854, 330192), (976, 288918), (1008, 279746), (1098, 256816), (1281, 220128), (1464, 192612), (1708, 165096), (1952, 144459), (2016, 139873), (2196, 128408), (2293, 122976), (2562, 110064), (2928, 96306), (3416, 82548), (3843, 73376), (4392, 64204), (4586, 61488), (5124, 55032), (5856, 48153), (6832, 41274), (6879, 40992), (7686, 36688), (8784, 32102), (9172, 30744), (10248, 27516), (13664, 20637), (13758, 20496), (15372, 18344), (16051, 17568)]