289254420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17659}}^1$

素因数の和:17694

約数の個数: 144

約数和(自身を含む): 1079944320

約数和(自身を除く): 790689900

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, 16380, 17659, 35318, 52977, 70636, 88295, 105954, 123613, 158931, 176590, 211908, 229567, 247226, 264885, 317862, 353180, 370839, 459134, 494452, 529770, 618065, 635724, 688701, 741678, 794655, 918268, 1059540, 1112517, 1147835, 1236130, 1377402, 1483356, 1589310, 1606969, 1854195, 2066103, 2225034, 2295670, 2472260, 2754804, 3178620, 3213938, 3443505, 3708390, 4132206, 4450068, 4591340, 4820907, 5562585, 6427876, 6887010, 7416780, 8034845, 8264412, 9641814, 10330515, 11125170, 13774020, 14462721, 16069690, 19283628, 20661030, 22250340, 24104535, 28925442, 32139380, 41322060, 48209070, 57850884, 72313605, 96418140, 144627210, 289254420]

約数ペア:

[(1, 289254420), (2, 144627210), (3, 96418140), (4, 72313605), (5, 57850884), (6, 48209070), (7, 41322060), (9, 32139380), (10, 28925442), (12, 24104535), (13, 22250340), (14, 20661030), (15, 19283628), (18, 16069690), (20, 14462721), (21, 13774020), (26, 11125170), (28, 10330515), (30, 9641814), (35, 8264412), (36, 8034845), (39, 7416780), (42, 6887010), (45, 6427876), (52, 5562585), (60, 4820907), (63, 4591340), (65, 4450068), (70, 4132206), (78, 3708390), (84, 3443505), (90, 3213938), (91, 3178620), (105, 2754804), (117, 2472260), (126, 2295670), (130, 2225034), (140, 2066103), (156, 1854195), (180, 1606969), (182, 1589310), (195, 1483356), (210, 1377402), (234, 1236130), (252, 1147835), (260, 1112517), (273, 1059540), (315, 918268), (364, 794655), (390, 741678), (420, 688701), (455, 635724), (468, 618065), (546, 529770), (585, 494452), (630, 459134), (780, 370839), (819, 353180), (910, 317862), (1092, 264885), (1170, 247226), (1260, 229567), (1365, 211908), (1638, 176590), (1820, 158931), (2340, 123613), (2730, 105954), (3276, 88295), (4095, 70636), (5460, 52977), (8190, 35318), (16380, 17659)]