128840676720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76690879}}^1$

素因数の和:76690902

約数の個数: 80

約数和(自身を含む): 456464117760

約数和(自身を除く): 327623441040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76690879, 153381758, 230072637, 306763516, 383454395, 460145274, 536836153, 613527032, 766908790, 920290548, 1073672306, 1150363185, 1227054064, 1533817580, 1610508459, 1840581096, 2147344612, 2300726370, 2684180765, 3067635160, 3221016918, 3681162192, 4294689224, 4601452740, 5368361530, 6135270320, 6442033836, 8052542295, 8589378448, 9202905480, 10736723060, 12884067672, 16105084590, 18405810960, 21473446120, 25768135344, 32210169180, 42946892240, 64420338360, 128840676720]

約数ペア:

[(1, 128840676720), (2, 64420338360), (3, 42946892240), (4, 32210169180), (5, 25768135344), (6, 21473446120), (7, 18405810960), (8, 16105084590), (10, 12884067672), (12, 10736723060), (14, 9202905480), (15, 8589378448), (16, 8052542295), (20, 6442033836), (21, 6135270320), (24, 5368361530), (28, 4601452740), (30, 4294689224), (35, 3681162192), (40, 3221016918), (42, 3067635160), (48, 2684180765), (56, 2300726370), (60, 2147344612), (70, 1840581096), (80, 1610508459), (84, 1533817580), (105, 1227054064), (112, 1150363185), (120, 1073672306), (140, 920290548), (168, 766908790), (210, 613527032), (240, 536836153), (280, 460145274), (336, 383454395), (420, 306763516), (560, 230072637), (840, 153381758), (1680, 76690879)]