145654320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:683

約数の個数: 160

約数和(自身を含む): 519966720

約数和(自身を除く): 374312400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 181, 210, 240, 280, 336, 362, 420, 479, 543, 560, 724, 840, 905, 958, 1086, 1267, 1437, 1448, 1680, 1810, 1916, 2172, 2395, 2534, 2715, 2874, 2896, 3353, 3620, 3801, 3832, 4344, 4790, 5068, 5430, 5748, 6335, 6706, 7185, 7240, 7602, 7664, 8688, 9580, 10059, 10136, 10860, 11496, 12670, 13412, 14370, 14480, 15204, 16765, 19005, 19160, 20118, 20272, 21720, 22992, 25340, 26824, 28740, 30408, 33530, 38010, 38320, 40236, 43440, 50295, 50680, 53648, 57480, 60816, 67060, 76020, 80472, 86699, 100590, 101360, 114960, 134120, 152040, 160944, 173398, 201180, 260097, 268240, 304080, 346796, 402360, 433495, 520194, 606893, 693592, 804720, 866990, 1040388, 1213786, 1300485, 1387184, 1733980, 1820679, 2080776, 2427572, 2600970, 3034465, 3467960, 3641358, 4161552, 4855144, 5201940, 6068930, 6935920, 7282716, 9103395, 9710288, 10403880, 12137860, 14565432, 18206790, 20807760, 24275720, 29130864, 36413580, 48551440, 72827160, 145654320]

約数ペア:

[(1, 145654320), (2, 72827160), (3, 48551440), (4, 36413580), (5, 29130864), (6, 24275720), (7, 20807760), (8, 18206790), (10, 14565432), (12, 12137860), (14, 10403880), (15, 9710288), (16, 9103395), (20, 7282716), (21, 6935920), (24, 6068930), (28, 5201940), (30, 4855144), (35, 4161552), (40, 3641358), (42, 3467960), (48, 3034465), (56, 2600970), (60, 2427572), (70, 2080776), (80, 1820679), (84, 1733980), (105, 1387184), (112, 1300485), (120, 1213786), (140, 1040388), (168, 866990), (181, 804720), (210, 693592), (240, 606893), (280, 520194), (336, 433495), (362, 402360), (420, 346796), (479, 304080), (543, 268240), (560, 260097), (724, 201180), (840, 173398), (905, 160944), (958, 152040), (1086, 134120), (1267, 114960), (1437, 101360), (1448, 100590), (1680, 86699), (1810, 80472), (1916, 76020), (2172, 67060), (2395, 60816), (2534, 57480), (2715, 53648), (2874, 50680), (2896, 50295), (3353, 43440), (3620, 40236), (3801, 38320), (3832, 38010), (4344, 33530), (4790, 30408), (5068, 28740), (5430, 26824), (5748, 25340), (6335, 22992), (6706, 21720), (7185, 20272), (7240, 20118), (7602, 19160), (7664, 19005), (8688, 16765), (9580, 15204), (10059, 14480), (10136, 14370), (10860, 13412), (11496, 12670)]