19727400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 78878880

約数和(自身を除く): 59151480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 49, 50, 55, 56, 60, 61, 66, 70, 75, 77, 84, 88, 98, 100, 105, 110, 120, 122, 132, 140, 147, 150, 154, 165, 168, 175, 183, 196, 200, 210, 220, 231, 244, 245, 264, 275, 280, 294, 300, 305, 308, 330, 350, 366, 385, 392, 420, 427, 440, 462, 488, 490, 525, 539, 550, 588, 600, 610, 616, 660, 671, 700, 732, 735, 770, 825, 840, 854, 915, 924, 980, 1050, 1078, 1100, 1155, 1176, 1220, 1225, 1281, 1320, 1342, 1400, 1464, 1470, 1525, 1540, 1617, 1650, 1708, 1830, 1848, 1925, 1960, 2013, 2100, 2135, 2156, 2200, 2310, 2440, 2450, 2562, 2684, 2695, 2940, 2989, 3050, 3080, 3234, 3300, 3355, 3416, 3660, 3675, 3850, 4026, 4200, 4270, 4312, 4575, 4620, 4697, 4900, 5124, 5368, 5390, 5775, 5880, 5978, 6100, 6405, 6468, 6600, 6710, 7320, 7350, 7700, 8052, 8085, 8540, 8967, 9150, 9240, 9394, 9800, 10065, 10248, 10675, 10780, 11550, 11956, 12200, 12810, 12936, 13420, 13475, 14091, 14700, 14945, 15400, 16104, 16170, 16775, 17080, 17934, 18300, 18788, 20130, 21350, 21560, 23100, 23485, 23912, 25620, 26840, 26950, 28182, 29400, 29890, 32025, 32340, 32879, 33550, 35868, 36600, 37576, 40260, 40425, 42700, 44835, 46200, 46970, 50325, 51240, 53900, 56364, 59780, 64050, 64680, 65758, 67100, 70455, 71736, 74725, 80520, 80850, 85400, 89670, 93940, 98637, 100650, 107800, 112728, 117425, 119560, 128100, 131516, 134200, 140910, 149450, 161700, 164395, 179340, 187880, 197274, 201300, 224175, 234850, 256200, 263032, 281820, 298900, 323400, 328790, 352275, 358680, 394548, 402600, 448350, 469700, 493185, 563640, 597800, 657580, 704550, 789096, 821975, 896700, 939400, 986370, 1315160, 1409100, 1643950, 1793400, 1972740, 2465925, 2818200, 3287900, 3945480, 4931850, 6575800, 9863700, 19727400]

約数ペア:

[(1, 19727400), (2, 9863700), (3, 6575800), (4, 4931850), (5, 3945480), (6, 3287900), (7, 2818200), (8, 2465925), (10, 1972740), (11, 1793400), (12, 1643950), (14, 1409100), (15, 1315160), (20, 986370), (21, 939400), (22, 896700), (24, 821975), (25, 789096), (28, 704550), (30, 657580), (33, 597800), (35, 563640), (40, 493185), (42, 469700), (44, 448350), (49, 402600), (50, 394548), (55, 358680), (56, 352275), (60, 328790), (61, 323400), (66, 298900), (70, 281820), (75, 263032), (77, 256200), (84, 234850), (88, 224175), (98, 201300), (100, 197274), (105, 187880), (110, 179340), (120, 164395), (122, 161700), (132, 149450), (140, 140910), (147, 134200), (150, 131516), (154, 128100), (165, 119560), (168, 117425), (175, 112728), (183, 107800), (196, 100650), (200, 98637), (210, 93940), (220, 89670), (231, 85400), (244, 80850), (245, 80520), (264, 74725), (275, 71736), (280, 70455), (294, 67100), (300, 65758), (305, 64680), (308, 64050), (330, 59780), (350, 56364), (366, 53900), (385, 51240), (392, 50325), (420, 46970), (427, 46200), (440, 44835), (462, 42700), (488, 40425), (490, 40260), (525, 37576), (539, 36600), (550, 35868), (588, 33550), (600, 32879), (610, 32340), (616, 32025), (660, 29890), (671, 29400), (700, 28182), (732, 26950), (735, 26840), (770, 25620), (825, 23912), (840, 23485), (854, 23100), (915, 21560), (924, 21350), (980, 20130), (1050, 18788), (1078, 18300), (1100, 17934), (1155, 17080), (1176, 16775), (1220, 16170), (1225, 16104), (1281, 15400), (1320, 14945), (1342, 14700), (1400, 14091), (1464, 13475), (1470, 13420), (1525, 12936), (1540, 12810), (1617, 12200), (1650, 11956), (1708, 11550), (1830, 10780), (1848, 10675), (1925, 10248), (1960, 10065), (2013, 9800), (2100, 9394), (2135, 9240), (2156, 9150), (2200, 8967), (2310, 8540), (2440, 8085), (2450, 8052), (2562, 7700), (2684, 7350), (2695, 7320), (2940, 6710), (2989, 6600), (3050, 6468), (3080, 6405), (3234, 6100), (3300, 5978), (3355, 5880), (3416, 5775), (3660, 5390), (3675, 5368), (3850, 5124), (4026, 4900), (4200, 4697), (4270, 4620), (4312, 4575)]