80664804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 158352156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 71, 76, 99, 114, 132, 142, 151, 171, 198, 209, 213, 228, 284, 302, 342, 396, 418, 426, 453, 604, 627, 639, 684, 781, 836, 852, 906, 1254, 1278, 1349, 1359, 1562, 1661, 1812, 1881, 2343, 2508, 2556, 2698, 2718, 2869, 3124, 3322, 3762, 4047, 4686, 4983, 5396, 5436, 5738, 6644, 7029, 7524, 8094, 8607, 9372, 9966, 10721, 11476, 12141, 14058, 14839, 14949, 16188, 17214, 19932, 21442, 24282, 25821, 28116, 29678, 29898, 31559, 32163, 34428, 42884, 44517, 48564, 51642, 59356, 59796, 63118, 64326, 89034, 94677, 96489, 103284, 117931, 126236, 128652, 133551, 178068, 189354, 192978, 203699, 235862, 267102, 284031, 353793, 378708, 385956, 407398, 471724, 534204, 568062, 611097, 707586, 814796, 1061379, 1136124, 1222194, 1415172, 1833291, 2122758, 2240689, 2444388, 3666582, 4245516, 4481378, 6722067, 7333164, 8962756, 13444134, 20166201, 26888268, 40332402, 80664804]

約数ペア:

[(1, 80664804), (2, 40332402), (3, 26888268), (4, 20166201), (6, 13444134), (9, 8962756), (11, 7333164), (12, 6722067), (18, 4481378), (19, 4245516), (22, 3666582), (33, 2444388), (36, 2240689), (38, 2122758), (44, 1833291), (57, 1415172), (66, 1222194), (71, 1136124), (76, 1061379), (99, 814796), (114, 707586), (132, 611097), (142, 568062), (151, 534204), (171, 471724), (198, 407398), (209, 385956), (213, 378708), (228, 353793), (284, 284031), (302, 267102), (342, 235862), (396, 203699), (418, 192978), (426, 189354), (453, 178068), (604, 133551), (627, 128652), (639, 126236), (684, 117931), (781, 103284), (836, 96489), (852, 94677), (906, 89034), (1254, 64326), (1278, 63118), (1349, 59796), (1359, 59356), (1562, 51642), (1661, 48564), (1812, 44517), (1881, 42884), (2343, 34428), (2508, 32163), (2556, 31559), (2698, 29898), (2718, 29678), (2869, 28116), (3124, 25821), (3322, 24282), (3762, 21442), (4047, 19932), (4686, 17214), (4983, 16188), (5396, 14949), (5436, 14839), (5738, 14058), (6644, 12141), (7029, 11476), (7524, 10721), (8094, 9966), (8607, 9372)]