81807570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 160

約数和(自身を含む): 251376048

約数和(自身を除く): 169568478

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 81, 85, 90, 102, 117, 130, 135, 153, 162, 170, 195, 221, 234, 255, 270, 306, 351, 390, 405, 442, 457, 459, 510, 585, 663, 702, 765, 810, 914, 918, 1053, 1105, 1170, 1326, 1371, 1377, 1530, 1755, 1989, 2106, 2210, 2285, 2295, 2742, 2754, 3315, 3510, 3978, 4113, 4570, 4590, 5265, 5941, 5967, 6630, 6855, 6885, 7769, 8226, 9945, 10530, 11882, 11934, 12339, 13710, 13770, 15538, 17823, 17901, 19890, 20565, 23307, 24678, 29705, 29835, 35646, 35802, 37017, 38845, 41130, 46614, 53469, 59410, 59670, 61695, 69921, 74034, 77690, 89115, 89505, 100997, 106938, 116535, 123390, 139842, 160407, 178230, 179010, 185085, 201994, 209763, 233070, 267345, 302991, 320814, 349605, 370170, 419526, 481221, 504985, 534690, 605982, 629289, 699210, 802035, 908973, 962442, 1009970, 1048815, 1258578, 1514955, 1604070, 1817946, 2097630, 2406105, 2726919, 3029910, 3146445, 4544865, 4812210, 5453838, 6292890, 8180757, 9089730, 13634595, 16361514, 27269190, 40903785, 81807570]

約数ペア:

[(1, 81807570), (2, 40903785), (3, 27269190), (5, 16361514), (6, 13634595), (9, 9089730), (10, 8180757), (13, 6292890), (15, 5453838), (17, 4812210), (18, 4544865), (26, 3146445), (27, 3029910), (30, 2726919), (34, 2406105), (39, 2097630), (45, 1817946), (51, 1604070), (54, 1514955), (65, 1258578), (78, 1048815), (81, 1009970), (85, 962442), (90, 908973), (102, 802035), (117, 699210), (130, 629289), (135, 605982), (153, 534690), (162, 504985), (170, 481221), (195, 419526), (221, 370170), (234, 349605), (255, 320814), (270, 302991), (306, 267345), (351, 233070), (390, 209763), (405, 201994), (442, 185085), (457, 179010), (459, 178230), (510, 160407), (585, 139842), (663, 123390), (702, 116535), (765, 106938), (810, 100997), (914, 89505), (918, 89115), (1053, 77690), (1105, 74034), (1170, 69921), (1326, 61695), (1371, 59670), (1377, 59410), (1530, 53469), (1755, 46614), (1989, 41130), (2106, 38845), (2210, 37017), (2285, 35802), (2295, 35646), (2742, 29835), (2754, 29705), (3315, 24678), (3510, 23307), (3978, 20565), (4113, 19890), (4570, 17901), (4590, 17823), (5265, 15538), (5941, 13770), (5967, 13710), (6630, 12339), (6855, 11934), (6885, 11882), (7769, 10530), (8226, 9945)]