1921906980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12401}}^1$

素因数の和:12467

約数の個数: 192

約数和(自身を含む): 7000680960

約数和(自身を除く): 5078773980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 140, 164, 180, 189, 205, 210, 246, 252, 270, 287, 315, 369, 378, 410, 420, 492, 540, 574, 615, 630, 738, 756, 820, 861, 945, 1107, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 1890, 2214, 2460, 2583, 2870, 3444, 3690, 3780, 4305, 4428, 5166, 5535, 5740, 7380, 7749, 8610, 10332, 11070, 12401, 12915, 15498, 17220, 22140, 24802, 25830, 30996, 37203, 38745, 49604, 51660, 62005, 74406, 77490, 86807, 111609, 124010, 148812, 154980, 173614, 186015, 223218, 248020, 260421, 334827, 347228, 372030, 434035, 446436, 508441, 520842, 558045, 669654, 744060, 781263, 868070, 1016882, 1041684, 1116090, 1302105, 1339308, 1525323, 1562526, 1674135, 1736140, 2033764, 2232180, 2343789, 2542205, 2604210, 3050646, 3125052, 3348270, 3559087, 3906315, 4575969, 4687578, 5084410, 5208420, 6101292, 6696540, 7118174, 7626615, 7812630, 9151938, 9375156, 10168820, 10677261, 11718945, 13727907, 14236348, 15253230, 15625260, 17795435, 18303876, 21354522, 22879845, 23437890, 27455814, 30506460, 32031783, 35590870, 42709044, 45759690, 46875780, 53386305, 54911628, 64063566, 68639535, 71181740, 91519380, 96095349, 106772610, 128127132, 137279070, 160158915, 192190698, 213545220, 274558140, 320317830, 384381396, 480476745, 640635660, 960953490, 1921906980]

約数ペア:

[(1, 1921906980), (2, 960953490), (3, 640635660), (4, 480476745), (5, 384381396), (6, 320317830), (7, 274558140), (9, 213545220), (10, 192190698), (12, 160158915), (14, 137279070), (15, 128127132), (18, 106772610), (20, 96095349), (21, 91519380), (27, 71181740), (28, 68639535), (30, 64063566), (35, 54911628), (36, 53386305), (41, 46875780), (42, 45759690), (45, 42709044), (54, 35590870), (60, 32031783), (63, 30506460), (70, 27455814), (82, 23437890), (84, 22879845), (90, 21354522), (105, 18303876), (108, 17795435), (123, 15625260), (126, 15253230), (135, 14236348), (140, 13727907), (164, 11718945), (180, 10677261), (189, 10168820), (205, 9375156), (210, 9151938), (246, 7812630), (252, 7626615), (270, 7118174), (287, 6696540), (315, 6101292), (369, 5208420), (378, 5084410), (410, 4687578), (420, 4575969), (492, 3906315), (540, 3559087), (574, 3348270), (615, 3125052), (630, 3050646), (738, 2604210), (756, 2542205), (820, 2343789), (861, 2232180), (945, 2033764), (1107, 1736140), (1148, 1674135), (1230, 1562526), (1260, 1525323), (1435, 1339308), (1476, 1302105), (1722, 1116090), (1845, 1041684), (1890, 1016882), (2214, 868070), (2460, 781263), (2583, 744060), (2870, 669654), (3444, 558045), (3690, 520842), (3780, 508441), (4305, 446436), (4428, 434035), (5166, 372030), (5535, 347228), (5740, 334827), (7380, 260421), (7749, 248020), (8610, 223218), (10332, 186015), (11070, 173614), (12401, 154980), (12915, 148812), (15498, 124010), (17220, 111609), (22140, 86807), (24802, 77490), (25830, 74406), (30996, 62005), (37203, 51660), (38745, 49604)]