81312750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 223404480

約数和(自身を除く): 142091730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 125, 142, 150, 213, 225, 250, 355, 375, 426, 450, 509, 639, 710, 750, 1018, 1065, 1125, 1278, 1527, 1775, 2130, 2250, 2545, 3054, 3195, 3550, 4581, 5090, 5325, 6390, 7635, 8875, 9162, 10650, 12725, 15270, 15975, 17750, 22905, 25450, 26625, 31950, 36139, 38175, 45810, 53250, 63625, 72278, 76350, 79875, 108417, 114525, 127250, 159750, 180695, 190875, 216834, 229050, 325251, 361390, 381750, 542085, 572625, 650502, 903475, 1084170, 1145250, 1626255, 1806950, 2710425, 3252510, 4517375, 5420850, 8131275, 9034750, 13552125, 16262550, 27104250, 40656375, 81312750]

約数ペア:

[(1, 81312750), (2, 40656375), (3, 27104250), (5, 16262550), (6, 13552125), (9, 9034750), (10, 8131275), (15, 5420850), (18, 4517375), (25, 3252510), (30, 2710425), (45, 1806950), (50, 1626255), (71, 1145250), (75, 1084170), (90, 903475), (125, 650502), (142, 572625), (150, 542085), (213, 381750), (225, 361390), (250, 325251), (355, 229050), (375, 216834), (426, 190875), (450, 180695), (509, 159750), (639, 127250), (710, 114525), (750, 108417), (1018, 79875), (1065, 76350), (1125, 72278), (1278, 63625), (1527, 53250), (1775, 45810), (2130, 38175), (2250, 36139), (2545, 31950), (3054, 26625), (3195, 25450), (3550, 22905), (4581, 17750), (5090, 15975), (5325, 15270), (6390, 12725), (7635, 10650), (8875, 9162)]