15219720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 50281920

約数和(自身を除く): 35062200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 631, 670, 804, 1005, 1206, 1262, 1340, 1608, 1893, 2010, 2412, 2524, 2680, 3015, 3155, 3786, 4020, 4824, 5048, 5679, 6030, 6310, 7572, 8040, 9465, 11358, 12060, 12620, 15144, 18930, 22716, 24120, 25240, 28395, 37860, 42277, 45432, 56790, 75720, 84554, 113580, 126831, 169108, 211385, 227160, 253662, 338216, 380493, 422770, 507324, 634155, 760986, 845540, 1014648, 1268310, 1521972, 1691080, 1902465, 2536620, 3043944, 3804930, 5073240, 7609860, 15219720]

約数ペア:

[(1, 15219720), (2, 7609860), (3, 5073240), (4, 3804930), (5, 3043944), (6, 2536620), (8, 1902465), (9, 1691080), (10, 1521972), (12, 1268310), (15, 1014648), (18, 845540), (20, 760986), (24, 634155), (30, 507324), (36, 422770), (40, 380493), (45, 338216), (60, 253662), (67, 227160), (72, 211385), (90, 169108), (120, 126831), (134, 113580), (180, 84554), (201, 75720), (268, 56790), (335, 45432), (360, 42277), (402, 37860), (536, 28395), (603, 25240), (631, 24120), (670, 22716), (804, 18930), (1005, 15144), (1206, 12620), (1262, 12060), (1340, 11358), (1608, 9465), (1893, 8040), (2010, 7572), (2412, 6310), (2524, 6030), (2680, 5679), (3015, 5048), (3155, 4824), (3786, 4020)]