80029740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 263837952

約数和(自身を除く): 183808212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 167, 196, 210, 245, 294, 326, 334, 420, 489, 490, 501, 588, 652, 668, 735, 815, 835, 978, 980, 1002, 1141, 1169, 1470, 1630, 1670, 1956, 2004, 2282, 2338, 2445, 2505, 2940, 3260, 3340, 3423, 3507, 4564, 4676, 4890, 5010, 5705, 5845, 6846, 7014, 7987, 8183, 9780, 10020, 11410, 11690, 13692, 14028, 15974, 16366, 17115, 17535, 22820, 23380, 23961, 24549, 27221, 31948, 32732, 34230, 35070, 39935, 40915, 47922, 49098, 54442, 68460, 70140, 79870, 81663, 81830, 95844, 98196, 108884, 119805, 122745, 136105, 159740, 163326, 163660, 190547, 239610, 245490, 272210, 326652, 381094, 408315, 479220, 490980, 544420, 571641, 762188, 816630, 952735, 1143282, 1333829, 1633260, 1905470, 2286564, 2667658, 2858205, 3810940, 4001487, 5335316, 5716410, 6669145, 8002974, 11432820, 13338290, 16005948, 20007435, 26676580, 40014870, 80029740]

約数ペア:

[(1, 80029740), (2, 40014870), (3, 26676580), (4, 20007435), (5, 16005948), (6, 13338290), (7, 11432820), (10, 8002974), (12, 6669145), (14, 5716410), (15, 5335316), (20, 4001487), (21, 3810940), (28, 2858205), (30, 2667658), (35, 2286564), (42, 1905470), (49, 1633260), (60, 1333829), (70, 1143282), (84, 952735), (98, 816630), (105, 762188), (140, 571641), (147, 544420), (163, 490980), (167, 479220), (196, 408315), (210, 381094), (245, 326652), (294, 272210), (326, 245490), (334, 239610), (420, 190547), (489, 163660), (490, 163326), (501, 159740), (588, 136105), (652, 122745), (668, 119805), (735, 108884), (815, 98196), (835, 95844), (978, 81830), (980, 81663), (1002, 79870), (1141, 70140), (1169, 68460), (1470, 54442), (1630, 49098), (1670, 47922), (1956, 40915), (2004, 39935), (2282, 35070), (2338, 34230), (2445, 32732), (2505, 31948), (2940, 27221), (3260, 24549), (3340, 23961), (3423, 23380), (3507, 22820), (4564, 17535), (4676, 17115), (4890, 16366), (5010, 15974), (5705, 14028), (5845, 13692), (6846, 11690), (7014, 11410), (7987, 10020), (8183, 9780)]