218596140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:461

約数の個数: 288

約数和(自身を含む): 834462720

約数和(自身を除く): 615866580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 28, 30, 35, 36, 38, 42, 45, 46, 57, 60, 63, 69, 70, 76, 84, 90, 92, 95, 105, 114, 115, 126, 133, 138, 140, 161, 171, 180, 190, 207, 210, 228, 230, 252, 266, 276, 285, 315, 322, 342, 345, 380, 397, 399, 414, 420, 437, 460, 483, 532, 570, 630, 644, 665, 684, 690, 794, 798, 805, 828, 855, 874, 966, 1035, 1140, 1191, 1197, 1260, 1311, 1330, 1380, 1449, 1588, 1596, 1610, 1710, 1748, 1932, 1985, 1995, 2070, 2185, 2382, 2394, 2415, 2622, 2660, 2779, 2898, 3059, 3220, 3420, 3573, 3933, 3970, 3990, 4140, 4370, 4764, 4788, 4830, 5244, 5558, 5796, 5955, 5985, 6118, 6555, 7146, 7245, 7543, 7866, 7940, 7980, 8337, 8740, 9131, 9177, 9660, 11116, 11910, 11970, 12236, 13110, 13895, 14292, 14490, 15086, 15295, 15732, 16674, 17865, 18262, 18354, 19665, 22629, 23820, 23940, 25011, 26220, 27393, 27531, 27790, 28980, 30172, 30590, 33348, 35730, 36524, 36708, 37715, 39330, 41685, 45258, 45655, 45885, 50022, 52801, 54786, 55062, 55580, 61180, 63917, 67887, 71460, 75430, 78660, 82179, 83370, 90516, 91310, 91770, 100044, 105602, 109572, 110124, 113145, 125055, 127834, 135774, 136965, 137655, 150860, 158403, 164358, 166740, 173489, 182620, 183540, 191751, 211204, 226290, 250110, 255668, 264005, 271548, 273930, 275310, 316806, 319585, 328716, 339435, 346978, 383502, 410895, 452580, 475209, 500220, 520467, 528010, 547860, 550620, 575253, 633612, 639170, 678870, 693956, 767004, 792015, 821790, 867445, 950418, 958755, 1040934, 1056020, 1150506, 1214423, 1278340, 1357740, 1561401, 1584030, 1643580, 1734890, 1900836, 1917510, 2081868, 2301012, 2376045, 2428846, 2602335, 2876265, 3122802, 3168060, 3469780, 3643269, 3835020, 4752090, 4857692, 5204670, 5752530, 6072115, 6245604, 7286538, 7807005, 9504180, 10409340, 10929807, 11505060, 12144230, 14573076, 15614010, 18216345, 21859614, 24288460, 31228020, 36432690, 43719228, 54649035, 72865380, 109298070, 218596140]

約数ペア:

[(1, 218596140), (2, 109298070), (3, 72865380), (4, 54649035), (5, 43719228), (6, 36432690), (7, 31228020), (9, 24288460), (10, 21859614), (12, 18216345), (14, 15614010), (15, 14573076), (18, 12144230), (19, 11505060), (20, 10929807), (21, 10409340), (23, 9504180), (28, 7807005), (30, 7286538), (35, 6245604), (36, 6072115), (38, 5752530), (42, 5204670), (45, 4857692), (46, 4752090), (57, 3835020), (60, 3643269), (63, 3469780), (69, 3168060), (70, 3122802), (76, 2876265), (84, 2602335), (90, 2428846), (92, 2376045), (95, 2301012), (105, 2081868), (114, 1917510), (115, 1900836), (126, 1734890), (133, 1643580), (138, 1584030), (140, 1561401), (161, 1357740), (171, 1278340), (180, 1214423), (190, 1150506), (207, 1056020), (210, 1040934), (228, 958755), (230, 950418), (252, 867445), (266, 821790), (276, 792015), (285, 767004), (315, 693956), (322, 678870), (342, 639170), (345, 633612), (380, 575253), (397, 550620), (399, 547860), (414, 528010), (420, 520467), (437, 500220), (460, 475209), (483, 452580), (532, 410895), (570, 383502), (630, 346978), (644, 339435), (665, 328716), (684, 319585), (690, 316806), (794, 275310), (798, 273930), (805, 271548), (828, 264005), (855, 255668), (874, 250110), (966, 226290), (1035, 211204), (1140, 191751), (1191, 183540), (1197, 182620), (1260, 173489), (1311, 166740), (1330, 164358), (1380, 158403), (1449, 150860), (1588, 137655), (1596, 136965), (1610, 135774), (1710, 127834), (1748, 125055), (1932, 113145), (1985, 110124), (1995, 109572), (2070, 105602), (2185, 100044), (2382, 91770), (2394, 91310), (2415, 90516), (2622, 83370), (2660, 82179), (2779, 78660), (2898, 75430), (3059, 71460), (3220, 67887), (3420, 63917), (3573, 61180), (3933, 55580), (3970, 55062), (3990, 54786), (4140, 52801), (4370, 50022), (4764, 45885), (4788, 45655), (4830, 45258), (5244, 41685), (5558, 39330), (5796, 37715), (5955, 36708), (5985, 36524), (6118, 35730), (6555, 33348), (7146, 30590), (7245, 30172), (7543, 28980), (7866, 27790), (7940, 27531), (7980, 27393), (8337, 26220), (8740, 25011), (9131, 23940), (9177, 23820), (9660, 22629), (11116, 19665), (11910, 18354), (11970, 18262), (12236, 17865), (13110, 16674), (13895, 15732), (14292, 15295), (14490, 15086)]