128398140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1548

約数の個数: 144

約数和(自身を含む): 431060448

約数和(自身を除く): 302662308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1483, 1665, 1924, 2220, 2340, 2405, 2886, 2966, 3330, 4329, 4449, 4810, 5772, 5932, 6660, 7215, 7415, 8658, 8898, 9620, 13347, 14430, 14830, 17316, 17796, 19279, 21645, 22245, 26694, 28860, 29660, 38558, 43290, 44490, 53388, 54871, 57837, 66735, 77116, 86580, 88980, 96395, 109742, 115674, 133470, 164613, 173511, 192790, 219484, 231348, 266940, 274355, 289185, 329226, 347022, 385580, 493839, 548710, 578370, 658452, 694044, 713323, 823065, 867555, 987678, 1097420, 1156740, 1426646, 1646130, 1735110, 1975356, 2139969, 2469195, 2853292, 3292260, 3470220, 3566615, 4279938, 4938390, 6419907, 7133230, 8559876, 9876780, 10699845, 12839814, 14266460, 21399690, 25679628, 32099535, 42799380, 64199070, 128398140]

約数ペア:

[(1, 128398140), (2, 64199070), (3, 42799380), (4, 32099535), (5, 25679628), (6, 21399690), (9, 14266460), (10, 12839814), (12, 10699845), (13, 9876780), (15, 8559876), (18, 7133230), (20, 6419907), (26, 4938390), (30, 4279938), (36, 3566615), (37, 3470220), (39, 3292260), (45, 2853292), (52, 2469195), (60, 2139969), (65, 1975356), (74, 1735110), (78, 1646130), (90, 1426646), (111, 1156740), (117, 1097420), (130, 987678), (148, 867555), (156, 823065), (180, 713323), (185, 694044), (195, 658452), (222, 578370), (234, 548710), (260, 493839), (333, 385580), (370, 347022), (390, 329226), (444, 289185), (468, 274355), (481, 266940), (555, 231348), (585, 219484), (666, 192790), (740, 173511), (780, 164613), (962, 133470), (1110, 115674), (1170, 109742), (1332, 96395), (1443, 88980), (1483, 86580), (1665, 77116), (1924, 66735), (2220, 57837), (2340, 54871), (2405, 53388), (2886, 44490), (2966, 43290), (3330, 38558), (4329, 29660), (4449, 28860), (4810, 26694), (5772, 22245), (5932, 21645), (6660, 19279), (7215, 17796), (7415, 17316), (8658, 14830), (8898, 14430), (9620, 13347)]