178018740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 567630336

約数和(自身を除く): 389611596

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, 279, 305, 310, 366, 372, 465, 523, 549, 558, 610, 620, 732, 915, 930, 1046, 1098, 1116, 1220, 1395, 1569, 1830, 1860, 1891, 2092, 2196, 2615, 2745, 2790, 3138, 3660, 3782, 4707, 5230, 5490, 5580, 5673, 6276, 7564, 7845, 9414, 9455, 10460, 10980, 11346, 15690, 16213, 17019, 18828, 18910, 22692, 23535, 28365, 31380, 31903, 32426, 34038, 37820, 47070, 48639, 56730, 63806, 64852, 68076, 81065, 85095, 94140, 95709, 97278, 113460, 127612, 145917, 159515, 162130, 170190, 191418, 194556, 243195, 287127, 291834, 319030, 324260, 340380, 382836, 478545, 486390, 574254, 583668, 638060, 729585, 957090, 972780, 988993, 1148508, 1435635, 1459170, 1914180, 1977986, 2871270, 2918340, 2966979, 3955972, 4944965, 5742540, 5933958, 8900937, 9889930, 11867916, 14834895, 17801874, 19779860, 29669790, 35603748, 44504685, 59339580, 89009370, 178018740]

約数ペア:

[(1, 178018740), (2, 89009370), (3, 59339580), (4, 44504685), (5, 35603748), (6, 29669790), (9, 19779860), (10, 17801874), (12, 14834895), (15, 11867916), (18, 9889930), (20, 8900937), (30, 5933958), (31, 5742540), (36, 4944965), (45, 3955972), (60, 2966979), (61, 2918340), (62, 2871270), (90, 1977986), (93, 1914180), (122, 1459170), (124, 1435635), (155, 1148508), (180, 988993), (183, 972780), (186, 957090), (244, 729585), (279, 638060), (305, 583668), (310, 574254), (366, 486390), (372, 478545), (465, 382836), (523, 340380), (549, 324260), (558, 319030), (610, 291834), (620, 287127), (732, 243195), (915, 194556), (930, 191418), (1046, 170190), (1098, 162130), (1116, 159515), (1220, 145917), (1395, 127612), (1569, 113460), (1830, 97278), (1860, 95709), (1891, 94140), (2092, 85095), (2196, 81065), (2615, 68076), (2745, 64852), (2790, 63806), (3138, 56730), (3660, 48639), (3782, 47070), (4707, 37820), (5230, 34038), (5490, 32426), (5580, 31903), (5673, 31380), (6276, 28365), (7564, 23535), (7845, 22692), (9414, 18910), (9455, 18828), (10460, 17019), (10980, 16213), (11346, 15690)]