77319580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 184923648

約数和(自身を除く): 107604068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 62, 65, 106, 124, 130, 155, 181, 212, 260, 265, 310, 362, 403, 530, 620, 689, 724, 806, 905, 1060, 1378, 1612, 1643, 1810, 2015, 2353, 2756, 3286, 3445, 3620, 4030, 4706, 5611, 6572, 6890, 8060, 8215, 9412, 9593, 11222, 11765, 13780, 16430, 19186, 21359, 22444, 23530, 28055, 32860, 38372, 42718, 47060, 47965, 56110, 72943, 85436, 95930, 106795, 112220, 124709, 145886, 191860, 213590, 249418, 291772, 297383, 364715, 427180, 498836, 594766, 623545, 729430, 1189532, 1247090, 1458860, 1486915, 2494180, 2973830, 3865979, 5947660, 7731958, 15463916, 19329895, 38659790, 77319580]

約数ペア:

[(1, 77319580), (2, 38659790), (4, 19329895), (5, 15463916), (10, 7731958), (13, 5947660), (20, 3865979), (26, 2973830), (31, 2494180), (52, 1486915), (53, 1458860), (62, 1247090), (65, 1189532), (106, 729430), (124, 623545), (130, 594766), (155, 498836), (181, 427180), (212, 364715), (260, 297383), (265, 291772), (310, 249418), (362, 213590), (403, 191860), (530, 145886), (620, 124709), (689, 112220), (724, 106795), (806, 95930), (905, 85436), (1060, 72943), (1378, 56110), (1612, 47965), (1643, 47060), (1810, 42718), (2015, 38372), (2353, 32860), (2756, 28055), (3286, 23530), (3445, 22444), (3620, 21359), (4030, 19186), (4706, 16430), (5611, 13780), (6572, 11765), (6890, 11222), (8060, 9593), (8215, 9412)]