78795180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 256349184

約数和(自身を除く): 177554004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 465, 486, 523, 540, 558, 620, 810, 837, 930, 972, 1046, 1116, 1215, 1395, 1569, 1620, 1674, 1860, 2092, 2430, 2511, 2615, 2790, 3138, 3348, 4185, 4707, 4860, 5022, 5230, 5580, 6276, 7533, 7845, 8370, 9414, 10044, 10460, 12555, 14121, 15066, 15690, 16213, 16740, 18828, 23535, 25110, 28242, 30132, 31380, 32426, 37665, 42363, 47070, 48639, 50220, 56484, 64852, 70605, 75330, 81065, 84726, 94140, 97278, 127089, 141210, 145917, 150660, 162130, 169452, 194556, 211815, 243195, 254178, 282420, 291834, 324260, 423630, 437751, 486390, 508356, 583668, 635445, 729585, 847260, 875502, 972780, 1270890, 1313253, 1459170, 1751004, 2188755, 2541780, 2626506, 2918340, 3939759, 4377510, 5253012, 6566265, 7879518, 8755020, 13132530, 15759036, 19698795, 26265060, 39397590, 78795180]

約数ペア:

[(1, 78795180), (2, 39397590), (3, 26265060), (4, 19698795), (5, 15759036), (6, 13132530), (9, 8755020), (10, 7879518), (12, 6566265), (15, 5253012), (18, 4377510), (20, 3939759), (27, 2918340), (30, 2626506), (31, 2541780), (36, 2188755), (45, 1751004), (54, 1459170), (60, 1313253), (62, 1270890), (81, 972780), (90, 875502), (93, 847260), (108, 729585), (124, 635445), (135, 583668), (155, 508356), (162, 486390), (180, 437751), (186, 423630), (243, 324260), (270, 291834), (279, 282420), (310, 254178), (324, 243195), (372, 211815), (405, 194556), (465, 169452), (486, 162130), (523, 150660), (540, 145917), (558, 141210), (620, 127089), (810, 97278), (837, 94140), (930, 84726), (972, 81065), (1046, 75330), (1116, 70605), (1215, 64852), (1395, 56484), (1569, 50220), (1620, 48639), (1674, 47070), (1860, 42363), (2092, 37665), (2430, 32426), (2511, 31380), (2615, 30132), (2790, 28242), (3138, 25110), (3348, 23535), (4185, 18828), (4707, 16740), (4860, 16213), (5022, 15690), (5230, 15066), (5580, 14121), (6276, 12555), (7533, 10460), (7845, 10044), (8370, 9414)]