256303440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1131

約数の個数: 200

約数和(自身を含む): 915093960

約数和(自身を除く): 658790520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 270, 296, 324, 333, 360, 370, 405, 432, 444, 540, 555, 592, 648, 666, 720, 740, 810, 888, 999, 1069, 1080, 1110, 1296, 1332, 1480, 1620, 1665, 1776, 1998, 2138, 2160, 2220, 2664, 2960, 2997, 3207, 3240, 3330, 3996, 4276, 4440, 4995, 5328, 5345, 5994, 6414, 6480, 6660, 7992, 8552, 8880, 9621, 9990, 10690, 11988, 12828, 13320, 14985, 15984, 16035, 17104, 19242, 19980, 21380, 23976, 25656, 26640, 28863, 29970, 32070, 38484, 39553, 39960, 42760, 47952, 48105, 51312, 57726, 59940, 64140, 76968, 79106, 79920, 85520, 86589, 96210, 115452, 118659, 119880, 128280, 144315, 153936, 158212, 173178, 192420, 197765, 230904, 237318, 239760, 256560, 288630, 316424, 346356, 355977, 384840, 395530, 432945, 461808, 474636, 577260, 593295, 632848, 692712, 711954, 769680, 791060, 865890, 949272, 1067931, 1154520, 1186590, 1385424, 1423908, 1582120, 1731780, 1779885, 1898544, 2135862, 2309040, 2373180, 2847816, 3164240, 3203793, 3463560, 3559770, 4271724, 4746360, 5339655, 5695632, 6407586, 6927120, 7119540, 8543448, 9492720, 10679310, 12815172, 14239080, 16018965, 17086896, 21358620, 25630344, 28478160, 32037930, 42717240, 51260688, 64075860, 85434480, 128151720, 256303440]

約数ペア:

[(1, 256303440), (2, 128151720), (3, 85434480), (4, 64075860), (5, 51260688), (6, 42717240), (8, 32037930), (9, 28478160), (10, 25630344), (12, 21358620), (15, 17086896), (16, 16018965), (18, 14239080), (20, 12815172), (24, 10679310), (27, 9492720), (30, 8543448), (36, 7119540), (37, 6927120), (40, 6407586), (45, 5695632), (48, 5339655), (54, 4746360), (60, 4271724), (72, 3559770), (74, 3463560), (80, 3203793), (81, 3164240), (90, 2847816), (108, 2373180), (111, 2309040), (120, 2135862), (135, 1898544), (144, 1779885), (148, 1731780), (162, 1582120), (180, 1423908), (185, 1385424), (216, 1186590), (222, 1154520), (240, 1067931), (270, 949272), (296, 865890), (324, 791060), (333, 769680), (360, 711954), (370, 692712), (405, 632848), (432, 593295), (444, 577260), (540, 474636), (555, 461808), (592, 432945), (648, 395530), (666, 384840), (720, 355977), (740, 346356), (810, 316424), (888, 288630), (999, 256560), (1069, 239760), (1080, 237318), (1110, 230904), (1296, 197765), (1332, 192420), (1480, 173178), (1620, 158212), (1665, 153936), (1776, 144315), (1998, 128280), (2138, 119880), (2160, 118659), (2220, 115452), (2664, 96210), (2960, 86589), (2997, 85520), (3207, 79920), (3240, 79106), (3330, 76968), (3996, 64140), (4276, 59940), (4440, 57726), (4995, 51312), (5328, 48105), (5345, 47952), (5994, 42760), (6414, 39960), (6480, 39553), (6660, 38484), (7992, 32070), (8552, 29970), (8880, 28863), (9621, 26640), (9990, 25656), (10690, 23976), (11988, 21380), (12828, 19980), (13320, 19242), (14985, 17104), (15984, 16035)]