215432490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 687439872

約数和(自身を除く): 472007382

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 23, 26, 30, 35, 39, 42, 46, 47, 65, 69, 70, 73, 78, 91, 94, 105, 115, 130, 138, 141, 146, 161, 182, 195, 210, 219, 230, 235, 273, 282, 299, 322, 329, 345, 365, 390, 438, 455, 470, 483, 511, 546, 598, 611, 658, 690, 705, 730, 805, 897, 910, 949, 966, 987, 1022, 1081, 1095, 1222, 1365, 1410, 1495, 1533, 1610, 1645, 1679, 1794, 1833, 1898, 1974, 2093, 2162, 2190, 2415, 2555, 2730, 2847, 2990, 3055, 3066, 3243, 3290, 3358, 3431, 3666, 4186, 4277, 4485, 4745, 4830, 4935, 5037, 5110, 5405, 5694, 6110, 6279, 6486, 6643, 6862, 7567, 7665, 8395, 8554, 8970, 9165, 9490, 9870, 10074, 10293, 10465, 10810, 11753, 12558, 12831, 13286, 14053, 14235, 15134, 15330, 16215, 16790, 17155, 18330, 19929, 20586, 20930, 21385, 21827, 22701, 23506, 24017, 25185, 25662, 28106, 28470, 31395, 32430, 33215, 34310, 35259, 37835, 39858, 42159, 42770, 43654, 44603, 45402, 48034, 50370, 51465, 58765, 62790, 64155, 65481, 66430, 70265, 70518, 72051, 75670, 78913, 84318, 89206, 98371, 99645, 102930, 109135, 113505, 117530, 120085, 128310, 130962, 133809, 140530, 144102, 152789, 157826, 176295, 196742, 199290, 210795, 218270, 223015, 227010, 236739, 240170, 267618, 295113, 305578, 312221, 327405, 352590, 360255, 394565, 421590, 446030, 458367, 473478, 491855, 552391, 590226, 624442, 654810, 669045, 720510, 763945, 789130, 916734, 936663, 983710, 1025869, 1104782, 1183695, 1338090, 1475565, 1527890, 1561105, 1657173, 1873326, 2051738, 2291835, 2367390, 2761955, 2951130, 3077607, 3122210, 3314346, 4583670, 4683315, 5129345, 5523910, 6155214, 7181083, 8285865, 9366630, 10258690, 14362166, 15388035, 16571730, 21543249, 30776070, 35905415, 43086498, 71810830, 107716245, 215432490]

約数ペア:

[(1, 215432490), (2, 107716245), (3, 71810830), (5, 43086498), (6, 35905415), (7, 30776070), (10, 21543249), (13, 16571730), (14, 15388035), (15, 14362166), (21, 10258690), (23, 9366630), (26, 8285865), (30, 7181083), (35, 6155214), (39, 5523910), (42, 5129345), (46, 4683315), (47, 4583670), (65, 3314346), (69, 3122210), (70, 3077607), (73, 2951130), (78, 2761955), (91, 2367390), (94, 2291835), (105, 2051738), (115, 1873326), (130, 1657173), (138, 1561105), (141, 1527890), (146, 1475565), (161, 1338090), (182, 1183695), (195, 1104782), (210, 1025869), (219, 983710), (230, 936663), (235, 916734), (273, 789130), (282, 763945), (299, 720510), (322, 669045), (329, 654810), (345, 624442), (365, 590226), (390, 552391), (438, 491855), (455, 473478), (470, 458367), (483, 446030), (511, 421590), (546, 394565), (598, 360255), (611, 352590), (658, 327405), (690, 312221), (705, 305578), (730, 295113), (805, 267618), (897, 240170), (910, 236739), (949, 227010), (966, 223015), (987, 218270), (1022, 210795), (1081, 199290), (1095, 196742), (1222, 176295), (1365, 157826), (1410, 152789), (1495, 144102), (1533, 140530), (1610, 133809), (1645, 130962), (1679, 128310), (1794, 120085), (1833, 117530), (1898, 113505), (1974, 109135), (2093, 102930), (2162, 99645), (2190, 98371), (2415, 89206), (2555, 84318), (2730, 78913), (2847, 75670), (2990, 72051), (3055, 70518), (3066, 70265), (3243, 66430), (3290, 65481), (3358, 64155), (3431, 62790), (3666, 58765), (4186, 51465), (4277, 50370), (4485, 48034), (4745, 45402), (4830, 44603), (4935, 43654), (5037, 42770), (5110, 42159), (5405, 39858), (5694, 37835), (6110, 35259), (6279, 34310), (6486, 33215), (6643, 32430), (6862, 31395), (7567, 28470), (7665, 28106), (8395, 25662), (8554, 25185), (8970, 24017), (9165, 23506), (9490, 22701), (9870, 21827), (10074, 21385), (10293, 20930), (10465, 20586), (10810, 19929), (11753, 18330), (12558, 17155), (12831, 16790), (13286, 16215), (14053, 15330), (14235, 15134)]