319721220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 288

約数和(自身を含む): 1210809600

約数和(自身を除く): 891088380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 131, 140, 149, 156, 180, 182, 195, 210, 234, 252, 260, 262, 273, 298, 315, 364, 390, 393, 420, 447, 455, 468, 524, 546, 585, 596, 630, 655, 745, 780, 786, 819, 894, 910, 917, 1043, 1092, 1170, 1179, 1260, 1310, 1341, 1365, 1490, 1572, 1638, 1703, 1788, 1820, 1834, 1937, 1965, 2086, 2235, 2340, 2358, 2620, 2682, 2730, 2751, 2980, 3129, 3276, 3406, 3668, 3874, 3930, 4095, 4172, 4470, 4585, 4716, 5109, 5215, 5364, 5460, 5502, 5811, 5895, 6258, 6705, 6812, 7748, 7860, 8190, 8253, 8515, 8940, 9170, 9387, 9685, 10218, 10430, 11004, 11622, 11790, 11921, 12516, 13410, 13559, 13755, 15327, 15645, 16380, 16506, 17030, 17433, 18340, 18774, 19370, 19519, 20436, 20860, 23244, 23580, 23842, 25545, 26820, 27118, 27510, 29055, 30654, 31290, 33012, 34060, 34866, 35763, 37548, 38740, 39038, 40677, 41265, 46935, 47684, 51090, 54236, 55020, 58110, 58557, 59605, 61308, 62580, 67795, 69732, 71526, 76635, 78076, 81354, 82530, 87165, 93870, 97595, 102180, 107289, 116220, 117114, 119210, 122031, 135590, 136633, 143052, 153270, 162708, 165060, 174330, 175671, 178815, 187740, 195190, 203385, 214578, 234228, 238420, 244062, 253747, 271180, 273266, 292785, 306540, 348660, 351342, 357630, 390380, 406770, 409899, 429156, 488124, 507494, 536445, 546532, 585570, 610155, 683165, 702684, 715260, 761241, 813540, 819798, 878355, 1014988, 1072890, 1171140, 1220310, 1229697, 1268735, 1366330, 1522482, 1639596, 1756710, 1776229, 2049495, 2145780, 2283723, 2440620, 2459394, 2537470, 2732660, 3044964, 3513420, 3552458, 3806205, 4098990, 4567446, 4918788, 5074940, 5328687, 6148485, 7104916, 7612410, 8197980, 8881145, 9134892, 10657374, 11418615, 12296970, 15224820, 15986061, 17762290, 21314748, 22837230, 24593940, 26643435, 31972122, 35524580, 45674460, 53286870, 63944244, 79930305, 106573740, 159860610, 319721220]

約数ペア:

[(1, 319721220), (2, 159860610), (3, 106573740), (4, 79930305), (5, 63944244), (6, 53286870), (7, 45674460), (9, 35524580), (10, 31972122), (12, 26643435), (13, 24593940), (14, 22837230), (15, 21314748), (18, 17762290), (20, 15986061), (21, 15224820), (26, 12296970), (28, 11418615), (30, 10657374), (35, 9134892), (36, 8881145), (39, 8197980), (42, 7612410), (45, 7104916), (52, 6148485), (60, 5328687), (63, 5074940), (65, 4918788), (70, 4567446), (78, 4098990), (84, 3806205), (90, 3552458), (91, 3513420), (105, 3044964), (117, 2732660), (126, 2537470), (130, 2459394), (131, 2440620), (140, 2283723), (149, 2145780), (156, 2049495), (180, 1776229), (182, 1756710), (195, 1639596), (210, 1522482), (234, 1366330), (252, 1268735), (260, 1229697), (262, 1220310), (273, 1171140), (298, 1072890), (315, 1014988), (364, 878355), (390, 819798), (393, 813540), (420, 761241), (447, 715260), (455, 702684), (468, 683165), (524, 610155), (546, 585570), (585, 546532), (596, 536445), (630, 507494), (655, 488124), (745, 429156), (780, 409899), (786, 406770), (819, 390380), (894, 357630), (910, 351342), (917, 348660), (1043, 306540), (1092, 292785), (1170, 273266), (1179, 271180), (1260, 253747), (1310, 244062), (1341, 238420), (1365, 234228), (1490, 214578), (1572, 203385), (1638, 195190), (1703, 187740), (1788, 178815), (1820, 175671), (1834, 174330), (1937, 165060), (1965, 162708), (2086, 153270), (2235, 143052), (2340, 136633), (2358, 135590), (2620, 122031), (2682, 119210), (2730, 117114), (2751, 116220), (2980, 107289), (3129, 102180), (3276, 97595), (3406, 93870), (3668, 87165), (3874, 82530), (3930, 81354), (4095, 78076), (4172, 76635), (4470, 71526), (4585, 69732), (4716, 67795), (5109, 62580), (5215, 61308), (5364, 59605), (5460, 58557), (5502, 58110), (5811, 55020), (5895, 54236), (6258, 51090), (6705, 47684), (6812, 46935), (7748, 41265), (7860, 40677), (8190, 39038), (8253, 38740), (8515, 37548), (8940, 35763), (9170, 34866), (9387, 34060), (9685, 33012), (10218, 31290), (10430, 30654), (11004, 29055), (11622, 27510), (11790, 27118), (11921, 26820), (12516, 25545), (13410, 23842), (13559, 23580), (13755, 23244), (15327, 20860), (15645, 20436), (16380, 19519), (16506, 19370), (17030, 18774), (17433, 18340)]