204851920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1533

約数の個数: 160

約数和(自身を含む): 617460480

約数和(自身を除く): 412608560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1481, 1520, 1729, 1820, 1976, 2128, 2470, 2660, 2962, 3458, 3640, 3952, 4940, 5320, 5924, 6916, 7280, 7405, 8645, 9880, 10367, 10640, 11848, 13832, 14810, 17290, 19253, 19760, 20734, 23696, 27664, 28139, 29620, 34580, 38506, 41468, 51835, 56278, 59240, 69160, 77012, 82936, 96265, 103670, 112556, 118480, 134771, 138320, 140695, 154024, 165872, 192530, 196973, 207340, 225112, 269542, 281390, 308048, 365807, 385060, 393946, 414680, 450224, 539084, 562780, 673855, 731614, 770120, 787892, 829360, 984865, 1078168, 1125560, 1347710, 1463228, 1540240, 1575784, 1829035, 1969730, 2156336, 2251120, 2560649, 2695420, 2926456, 3151568, 3658070, 3939460, 5121298, 5390840, 5852912, 7316140, 7878920, 10242596, 10781680, 12803245, 14632280, 15757840, 20485192, 25606490, 29264560, 40970384, 51212980, 102425960, 204851920]

約数ペア:

[(1, 204851920), (2, 102425960), (4, 51212980), (5, 40970384), (7, 29264560), (8, 25606490), (10, 20485192), (13, 15757840), (14, 14632280), (16, 12803245), (19, 10781680), (20, 10242596), (26, 7878920), (28, 7316140), (35, 5852912), (38, 5390840), (40, 5121298), (52, 3939460), (56, 3658070), (65, 3151568), (70, 2926456), (76, 2695420), (80, 2560649), (91, 2251120), (95, 2156336), (104, 1969730), (112, 1829035), (130, 1575784), (133, 1540240), (140, 1463228), (152, 1347710), (182, 1125560), (190, 1078168), (208, 984865), (247, 829360), (260, 787892), (266, 770120), (280, 731614), (304, 673855), (364, 562780), (380, 539084), (455, 450224), (494, 414680), (520, 393946), (532, 385060), (560, 365807), (665, 308048), (728, 281390), (760, 269542), (910, 225112), (988, 207340), (1040, 196973), (1064, 192530), (1235, 165872), (1330, 154024), (1456, 140695), (1481, 138320), (1520, 134771), (1729, 118480), (1820, 112556), (1976, 103670), (2128, 96265), (2470, 82936), (2660, 77012), (2962, 69160), (3458, 59240), (3640, 56278), (3952, 51835), (4940, 41468), (5320, 38506), (5924, 34580), (6916, 29620), (7280, 28139), (7405, 27664), (8645, 23696), (9880, 20734), (10367, 19760), (10640, 19253), (11848, 17290), (13832, 14810)]