65722720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 184606128

約数和(自身を除く): 118883408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 83, 98, 101, 112, 140, 160, 166, 196, 202, 224, 245, 280, 332, 392, 404, 415, 490, 505, 560, 581, 664, 707, 784, 808, 830, 980, 1010, 1120, 1162, 1328, 1414, 1568, 1616, 1660, 1960, 2020, 2324, 2656, 2828, 2905, 3232, 3320, 3535, 3920, 4040, 4067, 4648, 4949, 5656, 5810, 6640, 7070, 7840, 8080, 8134, 8383, 9296, 9898, 11312, 11620, 13280, 14140, 16160, 16268, 16766, 18592, 19796, 20335, 22624, 23240, 24745, 28280, 32536, 33532, 39592, 40670, 41915, 46480, 49490, 56560, 58681, 65072, 67064, 79184, 81340, 83830, 92960, 98980, 113120, 117362, 130144, 134128, 158368, 162680, 167660, 197960, 234724, 268256, 293405, 325360, 335320, 395920, 410767, 469448, 586810, 650720, 670640, 791840, 821534, 938896, 1173620, 1341280, 1643068, 1877792, 2053835, 2347240, 3286136, 4107670, 4694480, 6572272, 8215340, 9388960, 13144544, 16430680, 32861360, 65722720]

約数ペア:

[(1, 65722720), (2, 32861360), (4, 16430680), (5, 13144544), (7, 9388960), (8, 8215340), (10, 6572272), (14, 4694480), (16, 4107670), (20, 3286136), (28, 2347240), (32, 2053835), (35, 1877792), (40, 1643068), (49, 1341280), (56, 1173620), (70, 938896), (80, 821534), (83, 791840), (98, 670640), (101, 650720), (112, 586810), (140, 469448), (160, 410767), (166, 395920), (196, 335320), (202, 325360), (224, 293405), (245, 268256), (280, 234724), (332, 197960), (392, 167660), (404, 162680), (415, 158368), (490, 134128), (505, 130144), (560, 117362), (581, 113120), (664, 98980), (707, 92960), (784, 83830), (808, 81340), (830, 79184), (980, 67064), (1010, 65072), (1120, 58681), (1162, 56560), (1328, 49490), (1414, 46480), (1568, 41915), (1616, 40670), (1660, 39592), (1960, 33532), (2020, 32536), (2324, 28280), (2656, 24745), (2828, 23240), (2905, 22624), (3232, 20335), (3320, 19796), (3535, 18592), (3920, 16766), (4040, 16268), (4067, 16160), (4648, 14140), (4949, 13280), (5656, 11620), (5810, 11312), (6640, 9898), (7070, 9296), (7840, 8383), (8080, 8134)]