291217560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127727}}^1$

素因数の和:127760

約数の個数: 64

約数和(自身を含む): 919641600

約数和(自身を除く): 628424040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 127727, 255454, 383181, 510908, 638635, 766362, 1021816, 1277270, 1532724, 1915905, 2426813, 2554540, 3065448, 3831810, 4853626, 5109080, 7280439, 7663620, 9707252, 12134065, 14560878, 15327240, 19414504, 24268130, 29121756, 36402195, 48536260, 58243512, 72804390, 97072520, 145608780, 291217560]

約数ペア:

[(1, 291217560), (2, 145608780), (3, 97072520), (4, 72804390), (5, 58243512), (6, 48536260), (8, 36402195), (10, 29121756), (12, 24268130), (15, 19414504), (19, 15327240), (20, 14560878), (24, 12134065), (30, 9707252), (38, 7663620), (40, 7280439), (57, 5109080), (60, 4853626), (76, 3831810), (95, 3065448), (114, 2554540), (120, 2426813), (152, 1915905), (190, 1532724), (228, 1277270), (285, 1021816), (380, 766362), (456, 638635), (570, 510908), (760, 383181), (1140, 255454), (2280, 127727)]