79725780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 252265104

約数和(自身を除く): 172539324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 61, 90, 106, 122, 137, 159, 180, 183, 212, 244, 265, 274, 305, 318, 366, 411, 477, 530, 548, 549, 610, 636, 685, 732, 795, 822, 915, 954, 1060, 1098, 1220, 1233, 1370, 1590, 1644, 1830, 1908, 2055, 2196, 2385, 2466, 2740, 2745, 3180, 3233, 3660, 4110, 4770, 4932, 5490, 6165, 6466, 7261, 8220, 8357, 9540, 9699, 10980, 12330, 12932, 14522, 16165, 16714, 19398, 21783, 24660, 25071, 29044, 29097, 32330, 33428, 36305, 38796, 41785, 43566, 48495, 50142, 58194, 64660, 65349, 72610, 75213, 83570, 87132, 96990, 100284, 108915, 116388, 125355, 130698, 145220, 145485, 150426, 167140, 193980, 217830, 250710, 261396, 290970, 300852, 326745, 376065, 435660, 442921, 501420, 581940, 653490, 752130, 885842, 1306980, 1328763, 1504260, 1771684, 2214605, 2657526, 3986289, 4429210, 5315052, 6643815, 7972578, 8858420, 13287630, 15945156, 19931445, 26575260, 39862890, 79725780]

約数ペア:

[(1, 79725780), (2, 39862890), (3, 26575260), (4, 19931445), (5, 15945156), (6, 13287630), (9, 8858420), (10, 7972578), (12, 6643815), (15, 5315052), (18, 4429210), (20, 3986289), (30, 2657526), (36, 2214605), (45, 1771684), (53, 1504260), (60, 1328763), (61, 1306980), (90, 885842), (106, 752130), (122, 653490), (137, 581940), (159, 501420), (180, 442921), (183, 435660), (212, 376065), (244, 326745), (265, 300852), (274, 290970), (305, 261396), (318, 250710), (366, 217830), (411, 193980), (477, 167140), (530, 150426), (548, 145485), (549, 145220), (610, 130698), (636, 125355), (685, 116388), (732, 108915), (795, 100284), (822, 96990), (915, 87132), (954, 83570), (1060, 75213), (1098, 72610), (1220, 65349), (1233, 64660), (1370, 58194), (1590, 50142), (1644, 48495), (1830, 43566), (1908, 41785), (2055, 38796), (2196, 36305), (2385, 33428), (2466, 32330), (2740, 29097), (2745, 29044), (3180, 25071), (3233, 24660), (3660, 21783), (4110, 19398), (4770, 16714), (4932, 16165), (5490, 14522), (6165, 12932), (6466, 12330), (7261, 10980), (8220, 9699), (8357, 9540)]