245280405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 190175595

約数列:

[1, 3, 5, 15, 19, 29, 57, 59, 87, 95, 145, 177, 285, 295, 435, 503, 551, 885, 1121, 1509, 1653, 1711, 2515, 2755, 3363, 5133, 5605, 7545, 8265, 8555, 9557, 14587, 16815, 25665, 28671, 29677, 32509, 43761, 47785, 72935, 89031, 97527, 143355, 148385, 162545, 218805, 277153, 445155, 487635, 563863, 831459, 860633, 1385765, 1691589, 2581899, 2819315, 4157295, 4303165, 8457945, 12909495, 16352027, 49056081, 81760135, 245280405]

約数ペア:

[(1, 245280405), (3, 81760135), (5, 49056081), (15, 16352027), (19, 12909495), (29, 8457945), (57, 4303165), (59, 4157295), (87, 2819315), (95, 2581899), (145, 1691589), (177, 1385765), (285, 860633), (295, 831459), (435, 563863), (503, 487635), (551, 445155), (885, 277153), (1121, 218805), (1509, 162545), (1653, 148385), (1711, 143355), (2515, 97527), (2755, 89031), (3363, 72935), (5133, 47785), (5605, 43761), (7545, 32509), (8265, 29677), (8555, 28671), (9557, 25665), (14587, 16815)]