72786420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1030

約数の個数: 144

約数和(自身を含む): 256733568

約数和(自身を除く): 183947148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 947, 1098, 1220, 1260, 1281, 1708, 1830, 1894, 2135, 2196, 2562, 2745, 2841, 3660, 3788, 3843, 4270, 4735, 5124, 5490, 5682, 6405, 6629, 7686, 8523, 8540, 9470, 10980, 11364, 12810, 13258, 14205, 15372, 17046, 18940, 19215, 19887, 25620, 26516, 28410, 33145, 34092, 38430, 39774, 42615, 56820, 57767, 59661, 66290, 76860, 79548, 85230, 99435, 115534, 119322, 132580, 170460, 173301, 198870, 231068, 238644, 288835, 298305, 346602, 397740, 404369, 519903, 577670, 596610, 693204, 808738, 866505, 1039806, 1155340, 1193220, 1213107, 1617476, 1733010, 2021845, 2079612, 2426214, 2599515, 3466020, 3639321, 4043690, 4852428, 5199030, 6065535, 7278642, 8087380, 10398060, 12131070, 14557284, 18196605, 24262140, 36393210, 72786420]

約数ペア:

[(1, 72786420), (2, 36393210), (3, 24262140), (4, 18196605), (5, 14557284), (6, 12131070), (7, 10398060), (9, 8087380), (10, 7278642), (12, 6065535), (14, 5199030), (15, 4852428), (18, 4043690), (20, 3639321), (21, 3466020), (28, 2599515), (30, 2426214), (35, 2079612), (36, 2021845), (42, 1733010), (45, 1617476), (60, 1213107), (61, 1193220), (63, 1155340), (70, 1039806), (84, 866505), (90, 808738), (105, 693204), (122, 596610), (126, 577670), (140, 519903), (180, 404369), (183, 397740), (210, 346602), (244, 298305), (252, 288835), (305, 238644), (315, 231068), (366, 198870), (420, 173301), (427, 170460), (549, 132580), (610, 119322), (630, 115534), (732, 99435), (854, 85230), (915, 79548), (947, 76860), (1098, 66290), (1220, 59661), (1260, 57767), (1281, 56820), (1708, 42615), (1830, 39774), (1894, 38430), (2135, 34092), (2196, 33145), (2562, 28410), (2745, 26516), (2841, 25620), (3660, 19887), (3788, 19215), (3843, 18940), (4270, 17046), (4735, 15372), (5124, 14205), (5490, 13258), (5682, 12810), (6405, 11364), (6629, 10980), (7686, 9470), (8523, 8540)]