81760380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2895

約数の個数: 96

約数和(自身を含む): 253291584

約数和(自身を除く): 171531204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 740, 780, 962, 1110, 1443, 1924, 2220, 2405, 2833, 2886, 4810, 5666, 5772, 7215, 8499, 9620, 11332, 14165, 14430, 16998, 28330, 28860, 33996, 36829, 42495, 56660, 73658, 84990, 104821, 110487, 147316, 169980, 184145, 209642, 220974, 314463, 368290, 419284, 441948, 524105, 552435, 628926, 736580, 1048210, 1104870, 1257852, 1362673, 1572315, 2096420, 2209740, 2725346, 3144630, 4088019, 5450692, 6289260, 6813365, 8176038, 13626730, 16352076, 20440095, 27253460, 40880190, 81760380]

約数ペア:

[(1, 81760380), (2, 40880190), (3, 27253460), (4, 20440095), (5, 16352076), (6, 13626730), (10, 8176038), (12, 6813365), (13, 6289260), (15, 5450692), (20, 4088019), (26, 3144630), (30, 2725346), (37, 2209740), (39, 2096420), (52, 1572315), (60, 1362673), (65, 1257852), (74, 1104870), (78, 1048210), (111, 736580), (130, 628926), (148, 552435), (156, 524105), (185, 441948), (195, 419284), (222, 368290), (260, 314463), (370, 220974), (390, 209642), (444, 184145), (481, 169980), (555, 147316), (740, 110487), (780, 104821), (962, 84990), (1110, 73658), (1443, 56660), (1924, 42495), (2220, 36829), (2405, 33996), (2833, 28860), (2886, 28330), (4810, 16998), (5666, 14430), (5772, 14165), (7215, 11332), (8499, 9620)]