51447060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 216

約数和(自身を含む): 191711520

約数和(自身を除く): 140264460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 307, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 614, 630, 665, 684, 735, 798, 855, 882, 921, 931, 980, 1140, 1197, 1228, 1260, 1330, 1470, 1535, 1596, 1710, 1764, 1842, 1862, 1995, 2149, 2205, 2394, 2660, 2763, 2793, 2940, 3070, 3420, 3684, 3724, 3990, 4298, 4410, 4605, 4655, 4788, 5526, 5586, 5833, 5985, 6140, 6447, 7980, 8379, 8596, 8820, 9210, 9310, 10745, 11052, 11172, 11666, 11970, 12894, 13815, 13965, 15043, 16758, 17499, 18420, 18620, 19341, 21490, 23332, 23940, 25788, 27630, 27930, 29165, 30086, 32235, 33516, 34998, 38682, 40831, 41895, 42980, 45129, 52497, 55260, 55860, 58330, 60172, 64470, 69996, 75215, 77364, 81662, 83790, 87495, 90258, 96705, 104994, 116660, 122493, 128940, 135387, 150430, 163324, 167580, 174990, 180516, 193410, 204155, 209988, 225645, 244986, 262485, 270774, 285817, 300860, 349980, 367479, 386820, 408310, 451290, 489972, 524970, 541548, 571634, 612465, 676935, 734958, 816620, 857451, 902580, 1049940, 1143268, 1224930, 1353870, 1429085, 1469916, 1714902, 1837395, 2449860, 2572353, 2707740, 2858170, 3429804, 3674790, 4287255, 5144706, 5716340, 7349580, 8574510, 10289412, 12861765, 17149020, 25723530, 51447060]

約数ペア:

[(1, 51447060), (2, 25723530), (3, 17149020), (4, 12861765), (5, 10289412), (6, 8574510), (7, 7349580), (9, 5716340), (10, 5144706), (12, 4287255), (14, 3674790), (15, 3429804), (18, 2858170), (19, 2707740), (20, 2572353), (21, 2449860), (28, 1837395), (30, 1714902), (35, 1469916), (36, 1429085), (38, 1353870), (42, 1224930), (45, 1143268), (49, 1049940), (57, 902580), (60, 857451), (63, 816620), (70, 734958), (76, 676935), (84, 612465), (90, 571634), (95, 541548), (98, 524970), (105, 489972), (114, 451290), (126, 408310), (133, 386820), (140, 367479), (147, 349980), (171, 300860), (180, 285817), (190, 270774), (196, 262485), (210, 244986), (228, 225645), (245, 209988), (252, 204155), (266, 193410), (285, 180516), (294, 174990), (307, 167580), (315, 163324), (342, 150430), (380, 135387), (399, 128940), (420, 122493), (441, 116660), (490, 104994), (532, 96705), (570, 90258), (588, 87495), (614, 83790), (630, 81662), (665, 77364), (684, 75215), (735, 69996), (798, 64470), (855, 60172), (882, 58330), (921, 55860), (931, 55260), (980, 52497), (1140, 45129), (1197, 42980), (1228, 41895), (1260, 40831), (1330, 38682), (1470, 34998), (1535, 33516), (1596, 32235), (1710, 30086), (1764, 29165), (1842, 27930), (1862, 27630), (1995, 25788), (2149, 23940), (2205, 23332), (2394, 21490), (2660, 19341), (2763, 18620), (2793, 18420), (2940, 17499), (3070, 16758), (3420, 15043), (3684, 13965), (3724, 13815), (3990, 12894), (4298, 11970), (4410, 11666), (4605, 11172), (4655, 11052), (4788, 10745), (5526, 9310), (5586, 9210), (5833, 8820), (5985, 8596), (6140, 8379), (6447, 7980)]