87477660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 279482112

約数和(自身を除く): 192004452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 155, 180, 183, 186, 244, 257, 279, 305, 310, 366, 372, 465, 514, 549, 558, 610, 620, 732, 771, 915, 930, 1028, 1098, 1116, 1220, 1285, 1395, 1542, 1830, 1860, 1891, 2196, 2313, 2570, 2745, 2790, 3084, 3660, 3782, 3855, 4626, 5140, 5490, 5580, 5673, 7564, 7710, 7967, 9252, 9455, 10980, 11346, 11565, 15420, 15677, 15934, 17019, 18910, 22692, 23130, 23901, 28365, 31354, 31868, 34038, 37820, 39835, 46260, 47031, 47802, 56730, 62708, 68076, 71703, 78385, 79670, 85095, 94062, 95604, 113460, 119505, 141093, 143406, 156770, 159340, 170190, 188124, 235155, 239010, 282186, 286812, 313540, 340380, 358515, 470310, 478020, 485987, 564372, 705465, 717030, 940620, 971974, 1410930, 1434060, 1457961, 1943948, 2429935, 2821860, 2915922, 4373883, 4859870, 5831844, 7289805, 8747766, 9719740, 14579610, 17495532, 21869415, 29159220, 43738830, 87477660]

約数ペア:

[(1, 87477660), (2, 43738830), (3, 29159220), (4, 21869415), (5, 17495532), (6, 14579610), (9, 9719740), (10, 8747766), (12, 7289805), (15, 5831844), (18, 4859870), (20, 4373883), (30, 2915922), (31, 2821860), (36, 2429935), (45, 1943948), (60, 1457961), (61, 1434060), (62, 1410930), (90, 971974), (93, 940620), (122, 717030), (124, 705465), (155, 564372), (180, 485987), (183, 478020), (186, 470310), (244, 358515), (257, 340380), (279, 313540), (305, 286812), (310, 282186), (366, 239010), (372, 235155), (465, 188124), (514, 170190), (549, 159340), (558, 156770), (610, 143406), (620, 141093), (732, 119505), (771, 113460), (915, 95604), (930, 94062), (1028, 85095), (1098, 79670), (1116, 78385), (1220, 71703), (1285, 68076), (1395, 62708), (1542, 56730), (1830, 47802), (1860, 47031), (1891, 46260), (2196, 39835), (2313, 37820), (2570, 34038), (2745, 31868), (2790, 31354), (3084, 28365), (3660, 23901), (3782, 23130), (3855, 22692), (4626, 18910), (5140, 17019), (5490, 15934), (5580, 15677), (5673, 15420), (7564, 11565), (7710, 11346), (7967, 10980), (9252, 9455)]