321701940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2102

約数の個数: 144

約数和(自身を含む): 1124323200

約数和(自身を除く): 802621260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1260, 1310, 1572, 1834, 1949, 1965, 2358, 2620, 2751, 3668, 3898, 3930, 4585, 4716, 5502, 5847, 5895, 7796, 7860, 8253, 9170, 9745, 11004, 11694, 11790, 13643, 13755, 16506, 17541, 18340, 19490, 23388, 23580, 27286, 27510, 29235, 33012, 35082, 38980, 40929, 41265, 54572, 55020, 58470, 68215, 70164, 81858, 82530, 87705, 116940, 122787, 136430, 163716, 165060, 175410, 204645, 245574, 255319, 272860, 350820, 409290, 491148, 510638, 613935, 765957, 818580, 1021276, 1227870, 1276595, 1531914, 1787233, 2297871, 2455740, 2553190, 3063828, 3574466, 3829785, 4595742, 5106380, 5361699, 7148932, 7659570, 8936165, 9191484, 10723398, 11489355, 15319140, 16085097, 17872330, 21446796, 22978710, 26808495, 32170194, 35744660, 45957420, 53616990, 64340388, 80425485, 107233980, 160850970, 321701940]

約数ペア:

[(1, 321701940), (2, 160850970), (3, 107233980), (4, 80425485), (5, 64340388), (6, 53616990), (7, 45957420), (9, 35744660), (10, 32170194), (12, 26808495), (14, 22978710), (15, 21446796), (18, 17872330), (20, 16085097), (21, 15319140), (28, 11489355), (30, 10723398), (35, 9191484), (36, 8936165), (42, 7659570), (45, 7148932), (60, 5361699), (63, 5106380), (70, 4595742), (84, 3829785), (90, 3574466), (105, 3063828), (126, 2553190), (131, 2455740), (140, 2297871), (180, 1787233), (210, 1531914), (252, 1276595), (262, 1227870), (315, 1021276), (393, 818580), (420, 765957), (524, 613935), (630, 510638), (655, 491148), (786, 409290), (917, 350820), (1179, 272860), (1260, 255319), (1310, 245574), (1572, 204645), (1834, 175410), (1949, 165060), (1965, 163716), (2358, 136430), (2620, 122787), (2751, 116940), (3668, 87705), (3898, 82530), (3930, 81858), (4585, 70164), (4716, 68215), (5502, 58470), (5847, 55020), (5895, 54572), (7796, 41265), (7860, 40929), (8253, 38980), (9170, 35082), (9745, 33012), (11004, 29235), (11694, 27510), (11790, 27286), (13643, 23580), (13755, 23388), (16506, 19490), (17541, 18340)]