78578760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2963}}^1$

素因数の和:3007

約数の個数: 128

約数和(自身を含む): 268894080

約数和(自身を除く): 190315320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2963, 3315, 4420, 5304, 5926, 6630, 8840, 8889, 11852, 13260, 14815, 17778, 23704, 26520, 29630, 35556, 38519, 44445, 50371, 59260, 71112, 77038, 88890, 100742, 115557, 118520, 151113, 154076, 177780, 192595, 201484, 231114, 251855, 302226, 308152, 355560, 385190, 402968, 462228, 503710, 577785, 604452, 654823, 755565, 770380, 924456, 1007420, 1155570, 1208904, 1309646, 1511130, 1540760, 1964469, 2014840, 2311140, 2619292, 3022260, 3274115, 3928938, 4622280, 5238584, 6044520, 6548230, 7857876, 9822345, 13096460, 15715752, 19644690, 26192920, 39289380, 78578760]

約数ペア:

[(1, 78578760), (2, 39289380), (3, 26192920), (4, 19644690), (5, 15715752), (6, 13096460), (8, 9822345), (10, 7857876), (12, 6548230), (13, 6044520), (15, 5238584), (17, 4622280), (20, 3928938), (24, 3274115), (26, 3022260), (30, 2619292), (34, 2311140), (39, 2014840), (40, 1964469), (51, 1540760), (52, 1511130), (60, 1309646), (65, 1208904), (68, 1155570), (78, 1007420), (85, 924456), (102, 770380), (104, 755565), (120, 654823), (130, 604452), (136, 577785), (156, 503710), (170, 462228), (195, 402968), (204, 385190), (221, 355560), (255, 308152), (260, 302226), (312, 251855), (340, 231114), (390, 201484), (408, 192595), (442, 177780), (510, 154076), (520, 151113), (663, 118520), (680, 115557), (780, 100742), (884, 88890), (1020, 77038), (1105, 71112), (1326, 59260), (1560, 50371), (1768, 44445), (2040, 38519), (2210, 35556), (2652, 29630), (2963, 26520), (3315, 23704), (4420, 17778), (5304, 14815), (5926, 13260), (6630, 11852), (8840, 8889)]