641442204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 1918425600

約数和(自身を除く): 1276983396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 169, 171, 179, 186, 228, 234, 247, 279, 338, 342, 358, 372, 403, 468, 494, 507, 537, 558, 589, 676, 684, 716, 741, 806, 988, 1014, 1074, 1116, 1178, 1209, 1482, 1521, 1611, 1612, 1767, 2028, 2148, 2223, 2327, 2356, 2418, 2964, 3042, 3211, 3222, 3401, 3534, 3627, 4446, 4654, 4836, 5239, 5301, 5549, 6084, 6422, 6444, 6802, 6981, 7068, 7254, 7657, 8892, 9308, 9633, 10203, 10478, 10602, 11098, 12844, 13604, 13962, 14508, 15314, 15717, 16647, 19266, 20406, 20943, 20956, 21204, 22196, 22971, 27924, 28899, 30251, 30609, 30628, 31434, 33294, 38532, 40812, 41886, 44213, 45942, 47151, 49941, 57798, 60502, 61218, 62868, 66588, 68913, 72137, 83772, 88426, 90753, 91884, 94302, 99541, 99882, 105431, 115596, 121004, 122436, 132639, 137826, 144274, 176852, 181506, 188604, 199082, 199764, 210862, 216411, 265278, 272259, 275652, 288548, 298623, 316293, 363012, 397917, 398164, 421724, 432822, 530556, 544518, 574769, 597246, 632586, 649233, 795834, 865644, 895869, 937781, 948879, 1089036, 1149538, 1194492, 1265172, 1298466, 1370603, 1591668, 1724307, 1791738, 1875562, 1897758, 2299076, 2596932, 2741206, 2813343, 3448614, 3583476, 3751124, 3795516, 4111809, 5172921, 5482412, 5626686, 6897228, 8223618, 8440029, 10345842, 11253372, 12335427, 16447236, 16880058, 17817839, 20691684, 24670854, 33760116, 35635678, 49341708, 53453517, 71271356, 106907034, 160360551, 213814068, 320721102, 641442204]

約数ペア:

[(1, 641442204), (2, 320721102), (3, 213814068), (4, 160360551), (6, 106907034), (9, 71271356), (12, 53453517), (13, 49341708), (18, 35635678), (19, 33760116), (26, 24670854), (31, 20691684), (36, 17817839), (38, 16880058), (39, 16447236), (52, 12335427), (57, 11253372), (62, 10345842), (76, 8440029), (78, 8223618), (93, 6897228), (114, 5626686), (117, 5482412), (124, 5172921), (156, 4111809), (169, 3795516), (171, 3751124), (179, 3583476), (186, 3448614), (228, 2813343), (234, 2741206), (247, 2596932), (279, 2299076), (338, 1897758), (342, 1875562), (358, 1791738), (372, 1724307), (403, 1591668), (468, 1370603), (494, 1298466), (507, 1265172), (537, 1194492), (558, 1149538), (589, 1089036), (676, 948879), (684, 937781), (716, 895869), (741, 865644), (806, 795834), (988, 649233), (1014, 632586), (1074, 597246), (1116, 574769), (1178, 544518), (1209, 530556), (1482, 432822), (1521, 421724), (1611, 398164), (1612, 397917), (1767, 363012), (2028, 316293), (2148, 298623), (2223, 288548), (2327, 275652), (2356, 272259), (2418, 265278), (2964, 216411), (3042, 210862), (3211, 199764), (3222, 199082), (3401, 188604), (3534, 181506), (3627, 176852), (4446, 144274), (4654, 137826), (4836, 132639), (5239, 122436), (5301, 121004), (5549, 115596), (6084, 105431), (6422, 99882), (6444, 99541), (6802, 94302), (6981, 91884), (7068, 90753), (7254, 88426), (7657, 83772), (8892, 72137), (9308, 68913), (9633, 66588), (10203, 62868), (10478, 61218), (10602, 60502), (11098, 57798), (12844, 49941), (13604, 47151), (13962, 45942), (14508, 44213), (15314, 41886), (15717, 40812), (16647, 38532), (19266, 33294), (20406, 31434), (20943, 30628), (20956, 30609), (21204, 30251), (22196, 28899), (22971, 27924)]