728218920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42437}}^1$

素因数の和:42475

約数の個数: 128

約数和(自身を含む): 2566650240

約数和(自身を除く): 1838431320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 42437, 84874, 127311, 169748, 212185, 254622, 339496, 424370, 466807, 509244, 551681, 636555, 848740, 933614, 1018488, 1103362, 1273110, 1400421, 1655043, 1697480, 1867228, 2206724, 2334035, 2546220, 2758405, 2800842, 3310086, 3734456, 4413448, 4668070, 5092440, 5516810, 5601684, 6068491, 6620172, 7002105, 8275215, 9336140, 11033620, 11203368, 12136982, 13240344, 14004210, 16550430, 18205473, 18672280, 22067240, 24273964, 28008420, 30342455, 33100860, 36410946, 48547928, 56016840, 60684910, 66201720, 72821892, 91027365, 121369820, 145643784, 182054730, 242739640, 364109460, 728218920]

約数ペア:

[(1, 728218920), (2, 364109460), (3, 242739640), (4, 182054730), (5, 145643784), (6, 121369820), (8, 91027365), (10, 72821892), (11, 66201720), (12, 60684910), (13, 56016840), (15, 48547928), (20, 36410946), (22, 33100860), (24, 30342455), (26, 28008420), (30, 24273964), (33, 22067240), (39, 18672280), (40, 18205473), (44, 16550430), (52, 14004210), (55, 13240344), (60, 12136982), (65, 11203368), (66, 11033620), (78, 9336140), (88, 8275215), (104, 7002105), (110, 6620172), (120, 6068491), (130, 5601684), (132, 5516810), (143, 5092440), (156, 4668070), (165, 4413448), (195, 3734456), (220, 3310086), (260, 2800842), (264, 2758405), (286, 2546220), (312, 2334035), (330, 2206724), (390, 1867228), (429, 1697480), (440, 1655043), (520, 1400421), (572, 1273110), (660, 1103362), (715, 1018488), (780, 933614), (858, 848740), (1144, 636555), (1320, 551681), (1430, 509244), (1560, 466807), (1716, 424370), (2145, 339496), (2860, 254622), (3432, 212185), (4290, 169748), (5720, 127311), (8580, 84874), (17160, 42437)]