201672840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 641520000

約数和(自身を除く): 439847160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 197, 228, 285, 380, 394, 449, 456, 570, 591, 760, 788, 898, 985, 1140, 1182, 1347, 1576, 1796, 1970, 2245, 2280, 2364, 2694, 2955, 3592, 3743, 3940, 4490, 4728, 5388, 5910, 6735, 7486, 7880, 8531, 8980, 10776, 11229, 11820, 13470, 14972, 17062, 17960, 18715, 22458, 23640, 25593, 26940, 29944, 34124, 37430, 42655, 44916, 51186, 53880, 56145, 68248, 74860, 85310, 88453, 89832, 102372, 112290, 127965, 149720, 170620, 176906, 204744, 224580, 255930, 265359, 341240, 353812, 442265, 449160, 511860, 530718, 707624, 884530, 1023720, 1061436, 1326795, 1680607, 1769060, 2122872, 2653590, 3361214, 3538120, 5041821, 5307180, 6722428, 8403035, 10083642, 10614360, 13444856, 16806070, 20167284, 25209105, 33612140, 40334568, 50418210, 67224280, 100836420, 201672840]

約数ペア:

[(1, 201672840), (2, 100836420), (3, 67224280), (4, 50418210), (5, 40334568), (6, 33612140), (8, 25209105), (10, 20167284), (12, 16806070), (15, 13444856), (19, 10614360), (20, 10083642), (24, 8403035), (30, 6722428), (38, 5307180), (40, 5041821), (57, 3538120), (60, 3361214), (76, 2653590), (95, 2122872), (114, 1769060), (120, 1680607), (152, 1326795), (190, 1061436), (197, 1023720), (228, 884530), (285, 707624), (380, 530718), (394, 511860), (449, 449160), (456, 442265), (570, 353812), (591, 341240), (760, 265359), (788, 255930), (898, 224580), (985, 204744), (1140, 176906), (1182, 170620), (1347, 149720), (1576, 127965), (1796, 112290), (1970, 102372), (2245, 89832), (2280, 88453), (2364, 85310), (2694, 74860), (2955, 68248), (3592, 56145), (3743, 53880), (3940, 51186), (4490, 44916), (4728, 42655), (5388, 37430), (5910, 34124), (6735, 29944), (7486, 26940), (7880, 25593), (8531, 23640), (8980, 22458), (10776, 18715), (11229, 17960), (11820, 17062), (13470, 14972)]