209516580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12791}}^1$

素因数の和:12826

約数の個数: 144

約数和(自身を含む): 782256384

約数和(自身を除く): 572739804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12791, 16380, 25582, 38373, 51164, 63955, 76746, 89537, 115119, 127910, 153492, 166283, 179074, 191865, 230238, 255820, 268611, 332566, 358148, 383730, 447685, 460476, 498849, 537222, 575595, 665132, 767460, 805833, 831415, 895370, 997698, 1074444, 1151190, 1163981, 1343055, 1496547, 1611666, 1662830, 1790740, 1995396, 2302380, 2327962, 2494245, 2686110, 2993094, 3223332, 3325660, 3491943, 4029165, 4655924, 4988490, 5372220, 5819905, 5986188, 6983886, 7482735, 8058330, 9976980, 10475829, 11639810, 13967772, 14965470, 16116660, 17459715, 20951658, 23279620, 29930940, 34919430, 41903316, 52379145, 69838860, 104758290, 209516580]

約数ペア:

[(1, 209516580), (2, 104758290), (3, 69838860), (4, 52379145), (5, 41903316), (6, 34919430), (7, 29930940), (9, 23279620), (10, 20951658), (12, 17459715), (13, 16116660), (14, 14965470), (15, 13967772), (18, 11639810), (20, 10475829), (21, 9976980), (26, 8058330), (28, 7482735), (30, 6983886), (35, 5986188), (36, 5819905), (39, 5372220), (42, 4988490), (45, 4655924), (52, 4029165), (60, 3491943), (63, 3325660), (65, 3223332), (70, 2993094), (78, 2686110), (84, 2494245), (90, 2327962), (91, 2302380), (105, 1995396), (117, 1790740), (126, 1662830), (130, 1611666), (140, 1496547), (156, 1343055), (180, 1163981), (182, 1151190), (195, 1074444), (210, 997698), (234, 895370), (252, 831415), (260, 805833), (273, 767460), (315, 665132), (364, 575595), (390, 537222), (420, 498849), (455, 460476), (468, 447685), (546, 383730), (585, 358148), (630, 332566), (780, 268611), (819, 255820), (910, 230238), (1092, 191865), (1170, 179074), (1260, 166283), (1365, 153492), (1638, 127910), (1820, 115119), (2340, 89537), (2730, 76746), (3276, 63955), (4095, 51164), (5460, 38373), (8190, 25582), (12791, 16380)]