128680140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 394246944

約数和(自身を除く): 265566804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 41, 51, 60, 68, 82, 85, 102, 123, 164, 170, 181, 204, 205, 246, 255, 289, 340, 362, 410, 492, 510, 543, 578, 615, 697, 724, 820, 867, 905, 1020, 1086, 1156, 1230, 1394, 1445, 1734, 1810, 2091, 2172, 2460, 2715, 2788, 2890, 3077, 3468, 3485, 3620, 4182, 4335, 5430, 5780, 6154, 6970, 7421, 8364, 8670, 9231, 10455, 10860, 11849, 12308, 13940, 14842, 15385, 17340, 18462, 20910, 22263, 23698, 29684, 30770, 35547, 36924, 37105, 41820, 44526, 46155, 47396, 52309, 59245, 61540, 71094, 74210, 89052, 92310, 104618, 111315, 118490, 126157, 142188, 148420, 156927, 177735, 184620, 209236, 222630, 236980, 252314, 261545, 313854, 355470, 378471, 445260, 504628, 523090, 627708, 630785, 710940, 756942, 784635, 1046180, 1261570, 1513884, 1569270, 1892355, 2144669, 2523140, 3138540, 3784710, 4289338, 6434007, 7569420, 8578676, 10723345, 12868014, 21446690, 25736028, 32170035, 42893380, 64340070, 128680140]

約数ペア:

[(1, 128680140), (2, 64340070), (3, 42893380), (4, 32170035), (5, 25736028), (6, 21446690), (10, 12868014), (12, 10723345), (15, 8578676), (17, 7569420), (20, 6434007), (30, 4289338), (34, 3784710), (41, 3138540), (51, 2523140), (60, 2144669), (68, 1892355), (82, 1569270), (85, 1513884), (102, 1261570), (123, 1046180), (164, 784635), (170, 756942), (181, 710940), (204, 630785), (205, 627708), (246, 523090), (255, 504628), (289, 445260), (340, 378471), (362, 355470), (410, 313854), (492, 261545), (510, 252314), (543, 236980), (578, 222630), (615, 209236), (697, 184620), (724, 177735), (820, 156927), (867, 148420), (905, 142188), (1020, 126157), (1086, 118490), (1156, 111315), (1230, 104618), (1394, 92310), (1445, 89052), (1734, 74210), (1810, 71094), (2091, 61540), (2172, 59245), (2460, 52309), (2715, 47396), (2788, 46155), (2890, 44526), (3077, 41820), (3468, 37105), (3485, 36924), (3620, 35547), (4182, 30770), (4335, 29684), (5430, 23698), (5780, 22263), (6154, 20910), (6970, 18462), (7421, 17340), (8364, 15385), (8670, 14842), (9231, 13940), (10455, 12308), (10860, 11849)]