1678950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 5687136

約数和(自身を除く): 4008186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 41, 42, 45, 50, 63, 65, 70, 75, 78, 82, 90, 91, 105, 117, 123, 126, 130, 150, 175, 182, 195, 205, 210, 225, 234, 246, 273, 287, 315, 325, 350, 369, 390, 410, 450, 455, 525, 533, 546, 574, 585, 615, 630, 650, 738, 819, 861, 910, 975, 1025, 1050, 1066, 1170, 1230, 1365, 1435, 1575, 1599, 1638, 1722, 1845, 1950, 2050, 2275, 2583, 2665, 2730, 2870, 2925, 3075, 3150, 3198, 3690, 3731, 4095, 4305, 4550, 4797, 5166, 5330, 5850, 6150, 6825, 7175, 7462, 7995, 8190, 8610, 9225, 9594, 11193, 12915, 13325, 13650, 14350, 15990, 18450, 18655, 20475, 21525, 22386, 23985, 25830, 26650, 33579, 37310, 39975, 40950, 43050, 47970, 55965, 64575, 67158, 79950, 93275, 111930, 119925, 129150, 167895, 186550, 239850, 279825, 335790, 559650, 839475, 1678950]

約数ペア:

[(1, 1678950), (2, 839475), (3, 559650), (5, 335790), (6, 279825), (7, 239850), (9, 186550), (10, 167895), (13, 129150), (14, 119925), (15, 111930), (18, 93275), (21, 79950), (25, 67158), (26, 64575), (30, 55965), (35, 47970), (39, 43050), (41, 40950), (42, 39975), (45, 37310), (50, 33579), (63, 26650), (65, 25830), (70, 23985), (75, 22386), (78, 21525), (82, 20475), (90, 18655), (91, 18450), (105, 15990), (117, 14350), (123, 13650), (126, 13325), (130, 12915), (150, 11193), (175, 9594), (182, 9225), (195, 8610), (205, 8190), (210, 7995), (225, 7462), (234, 7175), (246, 6825), (273, 6150), (287, 5850), (315, 5330), (325, 5166), (350, 4797), (369, 4550), (390, 4305), (410, 4095), (450, 3731), (455, 3690), (525, 3198), (533, 3150), (546, 3075), (574, 2925), (585, 2870), (615, 2730), (630, 2665), (650, 2583), (738, 2275), (819, 2050), (861, 1950), (910, 1845), (975, 1722), (1025, 1638), (1050, 1599), (1066, 1575), (1170, 1435), (1230, 1365)]