217301280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9239}}^1$

素因数の和:9271

約数の個数: 144

約数和(自身を含む): 796340160

約数和(自身を除く): 579038880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9239, 11760, 18478, 23520, 27717, 36956, 46195, 55434, 64673, 73912, 92390, 110868, 129346, 138585, 147824, 184780, 194019, 221736, 258692, 277170, 295648, 323365, 369560, 388038, 443472, 452711, 517384, 554340, 646730, 739120, 776076, 886944, 905422, 970095, 1034768, 1108680, 1293460, 1358133, 1478240, 1552152, 1810844, 1940190, 2069536, 2217360, 2263555, 2586920, 2716266, 3104304, 3621688, 3880380, 4434720, 4527110, 5173840, 5432532, 6208608, 6790665, 7243376, 7760760, 9054220, 10347680, 10865064, 13581330, 14486752, 15521520, 18108440, 21730128, 27162660, 31043040, 36216880, 43460256, 54325320, 72433760, 108650640, 217301280]

約数ペア:

[(1, 217301280), (2, 108650640), (3, 72433760), (4, 54325320), (5, 43460256), (6, 36216880), (7, 31043040), (8, 27162660), (10, 21730128), (12, 18108440), (14, 15521520), (15, 14486752), (16, 13581330), (20, 10865064), (21, 10347680), (24, 9054220), (28, 7760760), (30, 7243376), (32, 6790665), (35, 6208608), (40, 5432532), (42, 5173840), (48, 4527110), (49, 4434720), (56, 3880380), (60, 3621688), (70, 3104304), (80, 2716266), (84, 2586920), (96, 2263555), (98, 2217360), (105, 2069536), (112, 1940190), (120, 1810844), (140, 1552152), (147, 1478240), (160, 1358133), (168, 1293460), (196, 1108680), (210, 1034768), (224, 970095), (240, 905422), (245, 886944), (280, 776076), (294, 739120), (336, 646730), (392, 554340), (420, 517384), (480, 452711), (490, 443472), (560, 388038), (588, 369560), (672, 323365), (735, 295648), (784, 277170), (840, 258692), (980, 221736), (1120, 194019), (1176, 184780), (1470, 147824), (1568, 138585), (1680, 129346), (1960, 110868), (2352, 92390), (2940, 73912), (3360, 64673), (3920, 55434), (4704, 46195), (5880, 36956), (7840, 27717), (9239, 23520), (11760, 18478)]