1921289160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2287249}}^1$

素因数の和:2287270

約数の個数: 64

約数和(自身を含む): 6587280000

約数和(自身を除く): 4665990840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2287249, 4574498, 6861747, 9148996, 11436245, 13723494, 16010743, 18297992, 22872490, 27446988, 32021486, 34308735, 45744980, 48032229, 54893976, 64042972, 68617470, 80053715, 91489960, 96064458, 128085944, 137234940, 160107430, 192128916, 240161145, 274469880, 320214860, 384257832, 480322290, 640429720, 960644580, 1921289160]

約数ペア:

[(1, 1921289160), (2, 960644580), (3, 640429720), (4, 480322290), (5, 384257832), (6, 320214860), (7, 274469880), (8, 240161145), (10, 192128916), (12, 160107430), (14, 137234940), (15, 128085944), (20, 96064458), (21, 91489960), (24, 80053715), (28, 68617470), (30, 64042972), (35, 54893976), (40, 48032229), (42, 45744980), (56, 34308735), (60, 32021486), (70, 27446988), (84, 22872490), (105, 18297992), (120, 16010743), (140, 13723494), (168, 11436245), (210, 9148996), (280, 6861747), (420, 4574498), (840, 2287249)]