138991440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 512967168

約数和(自身を除く): 373975728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 53, 56, 60, 70, 80, 84, 98, 105, 106, 112, 120, 140, 147, 159, 168, 196, 210, 212, 223, 240, 245, 265, 280, 294, 318, 336, 371, 392, 420, 424, 446, 490, 530, 560, 588, 636, 669, 735, 742, 784, 795, 840, 848, 892, 980, 1060, 1113, 1115, 1176, 1272, 1338, 1470, 1484, 1561, 1590, 1680, 1784, 1855, 1960, 2120, 2226, 2230, 2352, 2544, 2597, 2676, 2940, 2968, 3122, 3180, 3345, 3568, 3710, 3920, 4240, 4452, 4460, 4683, 5194, 5352, 5565, 5880, 5936, 6244, 6360, 6690, 7420, 7791, 7805, 8904, 8920, 9366, 10388, 10704, 10927, 11130, 11760, 11819, 12488, 12720, 12985, 13380, 14840, 15582, 15610, 17808, 17840, 18732, 20776, 21854, 22260, 23415, 23638, 24976, 25970, 26760, 29680, 31164, 31220, 32781, 35457, 37464, 38955, 41552, 43708, 44520, 46830, 47276, 51940, 53520, 54635, 59095, 62328, 62440, 65562, 70914, 74928, 77910, 82733, 87416, 89040, 93660, 94552, 103880, 109270, 118190, 124656, 124880, 131124, 141828, 155820, 163905, 165466, 174832, 177285, 187320, 189104, 207760, 218540, 236380, 248199, 262248, 283656, 311640, 327810, 330932, 354570, 374640, 413665, 437080, 472760, 496398, 524496, 567312, 579131, 623280, 655620, 661864, 709140, 827330, 874160, 945520, 992796, 1158262, 1240995, 1311240, 1323728, 1418280, 1654660, 1737393, 1985592, 2316524, 2481990, 2622480, 2836560, 2895655, 3309320, 3474786, 3971184, 4633048, 4963980, 5791310, 6618640, 6949572, 8686965, 9266096, 9927960, 11582620, 13899144, 17373930, 19855920, 23165240, 27798288, 34747860, 46330480, 69495720, 138991440]

約数ペア:

[(1, 138991440), (2, 69495720), (3, 46330480), (4, 34747860), (5, 27798288), (6, 23165240), (7, 19855920), (8, 17373930), (10, 13899144), (12, 11582620), (14, 9927960), (15, 9266096), (16, 8686965), (20, 6949572), (21, 6618640), (24, 5791310), (28, 4963980), (30, 4633048), (35, 3971184), (40, 3474786), (42, 3309320), (48, 2895655), (49, 2836560), (53, 2622480), (56, 2481990), (60, 2316524), (70, 1985592), (80, 1737393), (84, 1654660), (98, 1418280), (105, 1323728), (106, 1311240), (112, 1240995), (120, 1158262), (140, 992796), (147, 945520), (159, 874160), (168, 827330), (196, 709140), (210, 661864), (212, 655620), (223, 623280), (240, 579131), (245, 567312), (265, 524496), (280, 496398), (294, 472760), (318, 437080), (336, 413665), (371, 374640), (392, 354570), (420, 330932), (424, 327810), (446, 311640), (490, 283656), (530, 262248), (560, 248199), (588, 236380), (636, 218540), (669, 207760), (735, 189104), (742, 187320), (784, 177285), (795, 174832), (840, 165466), (848, 163905), (892, 155820), (980, 141828), (1060, 131124), (1113, 124880), (1115, 124656), (1176, 118190), (1272, 109270), (1338, 103880), (1470, 94552), (1484, 93660), (1561, 89040), (1590, 87416), (1680, 82733), (1784, 77910), (1855, 74928), (1960, 70914), (2120, 65562), (2226, 62440), (2230, 62328), (2352, 59095), (2544, 54635), (2597, 53520), (2676, 51940), (2940, 47276), (2968, 46830), (3122, 44520), (3180, 43708), (3345, 41552), (3568, 38955), (3710, 37464), (3920, 35457), (4240, 32781), (4452, 31220), (4460, 31164), (4683, 29680), (5194, 26760), (5352, 25970), (5565, 24976), (5880, 23638), (5936, 23415), (6244, 22260), (6360, 21854), (6690, 20776), (7420, 18732), (7791, 17840), (7805, 17808), (8904, 15610), (8920, 15582), (9366, 14840), (10388, 13380), (10704, 12985), (10927, 12720), (11130, 12488), (11760, 11819)]