15221850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 46648800

約数和(自身を除く): 31426950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 49, 50, 57, 70, 75, 95, 98, 105, 109, 114, 133, 147, 150, 175, 190, 210, 218, 245, 266, 285, 294, 327, 350, 399, 475, 490, 525, 545, 570, 654, 665, 735, 763, 798, 931, 950, 1050, 1090, 1225, 1330, 1425, 1470, 1526, 1635, 1862, 1995, 2071, 2289, 2450, 2725, 2793, 2850, 3270, 3325, 3675, 3815, 3990, 4142, 4578, 4655, 5341, 5450, 5586, 6213, 6650, 7350, 7630, 8175, 9310, 9975, 10355, 10682, 11445, 12426, 13965, 14497, 16023, 16350, 19075, 19950, 20710, 22890, 23275, 26705, 27930, 28994, 31065, 32046, 38150, 43491, 46550, 51775, 53410, 57225, 62130, 69825, 72485, 80115, 86982, 101479, 103550, 114450, 133525, 139650, 144970, 155325, 160230, 202958, 217455, 267050, 304437, 310650, 362425, 400575, 434910, 507395, 608874, 724850, 801150, 1014790, 1087275, 1522185, 2174550, 2536975, 3044370, 5073950, 7610925, 15221850]

約数ペア:

[(1, 15221850), (2, 7610925), (3, 5073950), (5, 3044370), (6, 2536975), (7, 2174550), (10, 1522185), (14, 1087275), (15, 1014790), (19, 801150), (21, 724850), (25, 608874), (30, 507395), (35, 434910), (38, 400575), (42, 362425), (49, 310650), (50, 304437), (57, 267050), (70, 217455), (75, 202958), (95, 160230), (98, 155325), (105, 144970), (109, 139650), (114, 133525), (133, 114450), (147, 103550), (150, 101479), (175, 86982), (190, 80115), (210, 72485), (218, 69825), (245, 62130), (266, 57225), (285, 53410), (294, 51775), (327, 46550), (350, 43491), (399, 38150), (475, 32046), (490, 31065), (525, 28994), (545, 27930), (570, 26705), (654, 23275), (665, 22890), (735, 20710), (763, 19950), (798, 19075), (931, 16350), (950, 16023), (1050, 14497), (1090, 13965), (1225, 12426), (1330, 11445), (1425, 10682), (1470, 10355), (1526, 9975), (1635, 9310), (1862, 8175), (1995, 7630), (2071, 7350), (2289, 6650), (2450, 6213), (2725, 5586), (2793, 5450), (2850, 5341), (3270, 4655), (3325, 4578), (3675, 4142), (3815, 3990)]