67984020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1754

約数の個数: 144

約数和(自身を含む): 235282320

約数和(自身を除く): 167298300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1709, 1989, 2210, 2340, 2652, 3060, 3315, 3418, 3978, 4420, 5127, 6630, 6836, 7956, 8545, 9945, 10254, 13260, 15381, 17090, 19890, 20508, 22217, 25635, 29053, 30762, 34180, 39780, 44434, 51270, 58106, 61524, 66651, 76905, 87159, 88868, 102540, 111085, 116212, 133302, 145265, 153810, 174318, 199953, 222170, 261477, 266604, 290530, 307620, 333255, 348636, 377689, 399906, 435795, 444340, 522954, 581060, 666510, 755378, 799812, 871590, 999765, 1045908, 1133067, 1307385, 1333020, 1510756, 1743180, 1888445, 1999530, 2266134, 2614770, 3399201, 3776890, 3999060, 4532268, 5229540, 5665335, 6798402, 7553780, 11330670, 13596804, 16996005, 22661340, 33992010, 67984020]

約数ペア:

[(1, 67984020), (2, 33992010), (3, 22661340), (4, 16996005), (5, 13596804), (6, 11330670), (9, 7553780), (10, 6798402), (12, 5665335), (13, 5229540), (15, 4532268), (17, 3999060), (18, 3776890), (20, 3399201), (26, 2614770), (30, 2266134), (34, 1999530), (36, 1888445), (39, 1743180), (45, 1510756), (51, 1333020), (52, 1307385), (60, 1133067), (65, 1045908), (68, 999765), (78, 871590), (85, 799812), (90, 755378), (102, 666510), (117, 581060), (130, 522954), (153, 444340), (156, 435795), (170, 399906), (180, 377689), (195, 348636), (204, 333255), (221, 307620), (234, 290530), (255, 266604), (260, 261477), (306, 222170), (340, 199953), (390, 174318), (442, 153810), (468, 145265), (510, 133302), (585, 116212), (612, 111085), (663, 102540), (765, 88868), (780, 87159), (884, 76905), (1020, 66651), (1105, 61524), (1170, 58106), (1326, 51270), (1530, 44434), (1709, 39780), (1989, 34180), (2210, 30762), (2340, 29053), (2652, 25635), (3060, 22217), (3315, 20508), (3418, 19890), (3978, 17090), (4420, 15381), (5127, 13260), (6630, 10254), (6836, 9945), (7956, 8545)]