27740970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 76137984

約数和(自身を除く): 48397014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 61, 62, 90, 93, 122, 155, 163, 183, 186, 279, 305, 310, 326, 366, 465, 489, 549, 558, 610, 815, 915, 930, 978, 1098, 1395, 1467, 1630, 1830, 1891, 2445, 2745, 2790, 2934, 3782, 4890, 5053, 5490, 5673, 7335, 9455, 9943, 10106, 11346, 14670, 15159, 17019, 18910, 19886, 25265, 28365, 29829, 30318, 34038, 45477, 49715, 50530, 56730, 59658, 75795, 85095, 89487, 90954, 99430, 149145, 151590, 170190, 178974, 227385, 298290, 308233, 447435, 454770, 616466, 894870, 924699, 1541165, 1849398, 2774097, 3082330, 4623495, 5548194, 9246990, 13870485, 27740970]

約数ペア:

[(1, 27740970), (2, 13870485), (3, 9246990), (5, 5548194), (6, 4623495), (9, 3082330), (10, 2774097), (15, 1849398), (18, 1541165), (30, 924699), (31, 894870), (45, 616466), (61, 454770), (62, 447435), (90, 308233), (93, 298290), (122, 227385), (155, 178974), (163, 170190), (183, 151590), (186, 149145), (279, 99430), (305, 90954), (310, 89487), (326, 85095), (366, 75795), (465, 59658), (489, 56730), (549, 50530), (558, 49715), (610, 45477), (815, 34038), (915, 30318), (930, 29829), (978, 28365), (1098, 25265), (1395, 19886), (1467, 18910), (1630, 17019), (1830, 15159), (1891, 14670), (2445, 11346), (2745, 10106), (2790, 9943), (2934, 9455), (3782, 7335), (4890, 5673), (5053, 5490)]