1491501760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:559

約数の個数: 224

約数和(自身を含む): 4288462848

約数和(自身を除く): 2796961088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 64, 70, 80, 94, 112, 124, 140, 155, 160, 188, 217, 224, 235, 248, 280, 310, 320, 329, 376, 434, 448, 457, 470, 496, 560, 620, 658, 752, 868, 914, 940, 992, 1085, 1120, 1240, 1316, 1457, 1504, 1645, 1736, 1828, 1880, 1984, 2170, 2240, 2285, 2480, 2632, 2914, 3008, 3199, 3290, 3472, 3656, 3760, 4340, 4570, 4960, 5264, 5828, 6398, 6580, 6944, 7285, 7312, 7520, 8680, 9140, 9920, 10199, 10528, 11656, 12796, 13160, 13888, 14167, 14570, 14624, 15040, 15995, 17360, 18280, 20398, 21056, 21479, 23312, 25592, 26320, 28334, 29140, 29248, 31990, 34720, 36560, 40796, 42958, 46624, 50995, 51184, 52640, 56668, 58280, 63980, 69440, 70835, 73120, 81592, 85916, 93248, 99169, 101990, 102368, 105280, 107395, 113336, 116560, 127960, 141670, 146240, 150353, 163184, 171832, 198338, 203980, 204736, 214790, 226672, 233120, 255920, 283340, 300706, 326368, 343664, 396676, 407960, 429580, 453344, 466240, 495845, 511840, 566680, 601412, 652736, 665849, 687328, 751765, 793352, 815920, 859160, 906688, 991690, 1023680, 1133360, 1202824, 1331698, 1374656, 1503530, 1586704, 1631840, 1718320, 1983380, 2266720, 2405648, 2663396, 3007060, 3173408, 3263680, 3329245, 3436640, 3966760, 4533440, 4660943, 4811296, 5326792, 6014120, 6346816, 6658490, 6873280, 7933520, 9321886, 9622592, 10653584, 12028240, 13316980, 15867040, 18643772, 21307168, 23304715, 24056480, 26633960, 31734080, 37287544, 42614336, 46609430, 48112960, 53267920, 74575088, 93218860, 106535840, 149150176, 186437720, 213071680, 298300352, 372875440, 745750880, 1491501760]

約数ペア:

[(1, 1491501760), (2, 745750880), (4, 372875440), (5, 298300352), (7, 213071680), (8, 186437720), (10, 149150176), (14, 106535840), (16, 93218860), (20, 74575088), (28, 53267920), (31, 48112960), (32, 46609430), (35, 42614336), (40, 37287544), (47, 31734080), (56, 26633960), (62, 24056480), (64, 23304715), (70, 21307168), (80, 18643772), (94, 15867040), (112, 13316980), (124, 12028240), (140, 10653584), (155, 9622592), (160, 9321886), (188, 7933520), (217, 6873280), (224, 6658490), (235, 6346816), (248, 6014120), (280, 5326792), (310, 4811296), (320, 4660943), (329, 4533440), (376, 3966760), (434, 3436640), (448, 3329245), (457, 3263680), (470, 3173408), (496, 3007060), (560, 2663396), (620, 2405648), (658, 2266720), (752, 1983380), (868, 1718320), (914, 1631840), (940, 1586704), (992, 1503530), (1085, 1374656), (1120, 1331698), (1240, 1202824), (1316, 1133360), (1457, 1023680), (1504, 991690), (1645, 906688), (1736, 859160), (1828, 815920), (1880, 793352), (1984, 751765), (2170, 687328), (2240, 665849), (2285, 652736), (2480, 601412), (2632, 566680), (2914, 511840), (3008, 495845), (3199, 466240), (3290, 453344), (3472, 429580), (3656, 407960), (3760, 396676), (4340, 343664), (4570, 326368), (4960, 300706), (5264, 283340), (5828, 255920), (6398, 233120), (6580, 226672), (6944, 214790), (7285, 204736), (7312, 203980), (7520, 198338), (8680, 171832), (9140, 163184), (9920, 150353), (10199, 146240), (10528, 141670), (11656, 127960), (12796, 116560), (13160, 113336), (13888, 107395), (14167, 105280), (14570, 102368), (14624, 101990), (15040, 99169), (15995, 93248), (17360, 85916), (18280, 81592), (20398, 73120), (21056, 70835), (21479, 69440), (23312, 63980), (25592, 58280), (26320, 56668), (28334, 52640), (29140, 51184), (29248, 50995), (31990, 46624), (34720, 42958), (36560, 40796)]