15500100

素因数分解:

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

素因数の和:107

約数の個数: 216

約数和(自身を含む): 57260224

約数和(自身を除く): 41760124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 61, 66, 70, 75, 77, 84, 100, 105, 110, 121, 122, 132, 140, 150, 154, 165, 175, 183, 210, 220, 231, 242, 244, 275, 300, 305, 308, 330, 350, 363, 366, 385, 420, 427, 462, 484, 525, 550, 605, 610, 660, 671, 700, 726, 732, 770, 825, 847, 854, 915, 924, 1050, 1100, 1155, 1210, 1220, 1281, 1342, 1452, 1525, 1540, 1650, 1694, 1708, 1815, 1830, 1925, 2013, 2100, 2135, 2310, 2420, 2541, 2562, 2684, 3025, 3050, 3300, 3355, 3388, 3630, 3660, 3850, 4026, 4235, 4270, 4575, 4620, 4697, 5082, 5124, 5775, 6050, 6100, 6405, 6710, 7260, 7381, 7700, 8052, 8470, 8540, 9075, 9150, 9394, 10065, 10164, 10675, 11550, 12100, 12705, 12810, 13420, 14091, 14762, 16775, 16940, 18150, 18300, 18788, 20130, 21175, 21350, 22143, 23100, 23485, 25410, 25620, 28182, 29524, 32025, 33550, 36300, 36905, 40260, 42350, 42700, 44286, 46970, 50325, 50820, 51667, 56364, 63525, 64050, 67100, 70455, 73810, 84700, 88572, 93940, 100650, 103334, 110715, 117425, 127050, 128100, 140910, 147620, 155001, 184525, 201300, 206668, 221430, 234850, 254100, 258335, 281820, 310002, 352275, 369050, 442860, 469700, 516670, 553575, 620004, 704550, 738100, 775005, 1033340, 1107150, 1291675, 1409100, 1550010, 2214300, 2583350, 3100020, 3875025, 5166700, 7750050, 15500100]

約数ペア:

[(1, 15500100), (2, 7750050), (3, 5166700), (4, 3875025), (5, 3100020), (6, 2583350), (7, 2214300), (10, 1550010), (11, 1409100), (12, 1291675), (14, 1107150), (15, 1033340), (20, 775005), (21, 738100), (22, 704550), (25, 620004), (28, 553575), (30, 516670), (33, 469700), (35, 442860), (42, 369050), (44, 352275), (50, 310002), (55, 281820), (60, 258335), (61, 254100), (66, 234850), (70, 221430), (75, 206668), (77, 201300), (84, 184525), (100, 155001), (105, 147620), (110, 140910), (121, 128100), (122, 127050), (132, 117425), (140, 110715), (150, 103334), (154, 100650), (165, 93940), (175, 88572), (183, 84700), (210, 73810), (220, 70455), (231, 67100), (242, 64050), (244, 63525), (275, 56364), (300, 51667), (305, 50820), (308, 50325), (330, 46970), (350, 44286), (363, 42700), (366, 42350), (385, 40260), (420, 36905), (427, 36300), (462, 33550), (484, 32025), (525, 29524), (550, 28182), (605, 25620), (610, 25410), (660, 23485), (671, 23100), (700, 22143), (726, 21350), (732, 21175), (770, 20130), (825, 18788), (847, 18300), (854, 18150), (915, 16940), (924, 16775), (1050, 14762), (1100, 14091), (1155, 13420), (1210, 12810), (1220, 12705), (1281, 12100), (1342, 11550), (1452, 10675), (1525, 10164), (1540, 10065), (1650, 9394), (1694, 9150), (1708, 9075), (1815, 8540), (1830, 8470), (1925, 8052), (2013, 7700), (2100, 7381), (2135, 7260), (2310, 6710), (2420, 6405), (2541, 6100), (2562, 6050), (2684, 5775), (3025, 5124), (3050, 5082), (3300, 4697), (3355, 4620), (3388, 4575), (3630, 4270), (3660, 4235), (3850, 4026)]