223544720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 624721920

約数和(自身を除く): 401177200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 163, 217, 248, 280, 310, 316, 326, 395, 434, 496, 553, 560, 620, 632, 652, 790, 815, 868, 1085, 1106, 1141, 1240, 1264, 1304, 1580, 1630, 1736, 2170, 2212, 2282, 2449, 2480, 2608, 2765, 3160, 3260, 3472, 4340, 4424, 4564, 4898, 5053, 5530, 5705, 6320, 6520, 8680, 8848, 9128, 9796, 10106, 11060, 11410, 12245, 12877, 13040, 17143, 17360, 18256, 19592, 20212, 22120, 22820, 24490, 25265, 25754, 34286, 35371, 39184, 40424, 44240, 45640, 48980, 50530, 51508, 64385, 68572, 70742, 80848, 85715, 90139, 91280, 97960, 101060, 103016, 128770, 137144, 141484, 171430, 176855, 180278, 195920, 202120, 206032, 257540, 274288, 282968, 342860, 353710, 360556, 399187, 404240, 450695, 515080, 565936, 685720, 707420, 721112, 798374, 901390, 1030160, 1371440, 1414840, 1442224, 1596748, 1802780, 1995935, 2794309, 2829680, 3193496, 3605560, 3991870, 5588618, 6386992, 7211120, 7983740, 11177236, 13971545, 15967480, 22354472, 27943090, 31934960, 44708944, 55886180, 111772360, 223544720]

約数ペア:

[(1, 223544720), (2, 111772360), (4, 55886180), (5, 44708944), (7, 31934960), (8, 27943090), (10, 22354472), (14, 15967480), (16, 13971545), (20, 11177236), (28, 7983740), (31, 7211120), (35, 6386992), (40, 5588618), (56, 3991870), (62, 3605560), (70, 3193496), (79, 2829680), (80, 2794309), (112, 1995935), (124, 1802780), (140, 1596748), (155, 1442224), (158, 1414840), (163, 1371440), (217, 1030160), (248, 901390), (280, 798374), (310, 721112), (316, 707420), (326, 685720), (395, 565936), (434, 515080), (496, 450695), (553, 404240), (560, 399187), (620, 360556), (632, 353710), (652, 342860), (790, 282968), (815, 274288), (868, 257540), (1085, 206032), (1106, 202120), (1141, 195920), (1240, 180278), (1264, 176855), (1304, 171430), (1580, 141484), (1630, 137144), (1736, 128770), (2170, 103016), (2212, 101060), (2282, 97960), (2449, 91280), (2480, 90139), (2608, 85715), (2765, 80848), (3160, 70742), (3260, 68572), (3472, 64385), (4340, 51508), (4424, 50530), (4564, 48980), (4898, 45640), (5053, 44240), (5530, 40424), (5705, 39184), (6320, 35371), (6520, 34286), (8680, 25754), (8848, 25265), (9128, 24490), (9796, 22820), (10106, 22120), (11060, 20212), (11410, 19592), (12245, 18256), (12877, 17360), (13040, 17143)]