78020880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{46441}}^1$

素因数の和:46464

約数の個数: 80

約数和(自身を含む): 276422784

約数和(自身を除く): 198401904

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, 46441, 92882, 139323, 185764, 232205, 278646, 325087, 371528, 464410, 557292, 650174, 696615, 743056, 928820, 975261, 1114584, 1300348, 1393230, 1625435, 1857640, 1950522, 2229168, 2600696, 2786460, 3250870, 3715280, 3901044, 4876305, 5201392, 5572920, 6501740, 7802088, 9752610, 11145840, 13003480, 15604176, 19505220, 26006960, 39010440, 78020880]

約数ペア:

[(1, 78020880), (2, 39010440), (3, 26006960), (4, 19505220), (5, 15604176), (6, 13003480), (7, 11145840), (8, 9752610), (10, 7802088), (12, 6501740), (14, 5572920), (15, 5201392), (16, 4876305), (20, 3901044), (21, 3715280), (24, 3250870), (28, 2786460), (30, 2600696), (35, 2229168), (40, 1950522), (42, 1857640), (48, 1625435), (56, 1393230), (60, 1300348), (70, 1114584), (80, 975261), (84, 928820), (105, 743056), (112, 696615), (120, 650174), (140, 557292), (168, 464410), (210, 371528), (240, 325087), (280, 278646), (336, 232205), (420, 185764), (560, 139323), (840, 92882), (1680, 46441)]