68515440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2399}}^1$

素因数の和:2439

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 188610960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2399, 2856, 3570, 4080, 4760, 4798, 5712, 7140, 7197, 9520, 9596, 11995, 14280, 14394, 16793, 19192, 23990, 28560, 28788, 33586, 35985, 38384, 40783, 47980, 50379, 57576, 67172, 71970, 81566, 83965, 95960, 100758, 115152, 122349, 134344, 143940, 163132, 167930, 191920, 201516, 203915, 244698, 251895, 268688, 285481, 287880, 326264, 335860, 403032, 407830, 489396, 503790, 570962, 575760, 611745, 652528, 671720, 806064, 815660, 856443, 978792, 1007580, 1141924, 1223490, 1343440, 1427405, 1631320, 1712886, 1957584, 2015160, 2283848, 2446980, 2854810, 3262640, 3425772, 4030320, 4282215, 4567696, 4893960, 5709620, 6851544, 8564430, 9787920, 11419240, 13703088, 17128860, 22838480, 34257720, 68515440]

約数ペア:

[(1, 68515440), (2, 34257720), (3, 22838480), (4, 17128860), (5, 13703088), (6, 11419240), (7, 9787920), (8, 8564430), (10, 6851544), (12, 5709620), (14, 4893960), (15, 4567696), (16, 4282215), (17, 4030320), (20, 3425772), (21, 3262640), (24, 2854810), (28, 2446980), (30, 2283848), (34, 2015160), (35, 1957584), (40, 1712886), (42, 1631320), (48, 1427405), (51, 1343440), (56, 1223490), (60, 1141924), (68, 1007580), (70, 978792), (80, 856443), (84, 815660), (85, 806064), (102, 671720), (105, 652528), (112, 611745), (119, 575760), (120, 570962), (136, 503790), (140, 489396), (168, 407830), (170, 403032), (204, 335860), (210, 326264), (238, 287880), (240, 285481), (255, 268688), (272, 251895), (280, 244698), (336, 203915), (340, 201516), (357, 191920), (408, 167930), (420, 163132), (476, 143940), (510, 134344), (560, 122349), (595, 115152), (680, 100758), (714, 95960), (816, 83965), (840, 81566), (952, 71970), (1020, 67172), (1190, 57576), (1360, 50379), (1428, 47980), (1680, 40783), (1785, 38384), (1904, 35985), (2040, 33586), (2380, 28788), (2399, 28560), (2856, 23990), (3570, 19192), (4080, 16793), (4760, 14394), (4798, 14280), (5712, 11995), (7140, 9596), (7197, 9520)]