172740780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1040

約数の個数: 144

約数和(自身を含む): 562554720

約数和(自身を除く): 389813940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 477, 530, 570, 636, 684, 795, 855, 953, 954, 1007, 1060, 1140, 1590, 1710, 1906, 1908, 2014, 2385, 2859, 3021, 3180, 3420, 3812, 4028, 4765, 4770, 5035, 5718, 6042, 8577, 9063, 9530, 9540, 10070, 11436, 12084, 14295, 15105, 17154, 18107, 18126, 19060, 20140, 28590, 30210, 34308, 36214, 36252, 42885, 45315, 50509, 54321, 57180, 60420, 72428, 85770, 90535, 90630, 101018, 108642, 151527, 162963, 171540, 181070, 181260, 202036, 217284, 252545, 271605, 303054, 325926, 362140, 454581, 505090, 543210, 606108, 651852, 757635, 814815, 909162, 959671, 1010180, 1086420, 1515270, 1629630, 1818324, 1919342, 2272905, 2879013, 3030540, 3259260, 3838684, 4545810, 4798355, 5758026, 8637039, 9091620, 9596710, 11516052, 14395065, 17274078, 19193420, 28790130, 34548156, 43185195, 57580260, 86370390, 172740780]

約数ペア:

[(1, 172740780), (2, 86370390), (3, 57580260), (4, 43185195), (5, 34548156), (6, 28790130), (9, 19193420), (10, 17274078), (12, 14395065), (15, 11516052), (18, 9596710), (19, 9091620), (20, 8637039), (30, 5758026), (36, 4798355), (38, 4545810), (45, 3838684), (53, 3259260), (57, 3030540), (60, 2879013), (76, 2272905), (90, 1919342), (95, 1818324), (106, 1629630), (114, 1515270), (159, 1086420), (171, 1010180), (180, 959671), (190, 909162), (212, 814815), (228, 757635), (265, 651852), (285, 606108), (318, 543210), (342, 505090), (380, 454581), (477, 362140), (530, 325926), (570, 303054), (636, 271605), (684, 252545), (795, 217284), (855, 202036), (953, 181260), (954, 181070), (1007, 171540), (1060, 162963), (1140, 151527), (1590, 108642), (1710, 101018), (1906, 90630), (1908, 90535), (2014, 85770), (2385, 72428), (2859, 60420), (3021, 57180), (3180, 54321), (3420, 50509), (3812, 45315), (4028, 42885), (4765, 36252), (4770, 36214), (5035, 34308), (5718, 30210), (6042, 28590), (8577, 20140), (9063, 19060), (9530, 18126), (9540, 18107), (10070, 17154), (11436, 15105), (12084, 14295)]