78702180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 255467520

約数和(自身を除く): 176765340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 31, 34, 38, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 124, 131, 155, 170, 186, 190, 204, 228, 255, 262, 285, 310, 323, 340, 372, 380, 393, 465, 510, 524, 527, 570, 589, 620, 646, 655, 786, 930, 969, 1020, 1054, 1140, 1178, 1292, 1310, 1572, 1581, 1615, 1767, 1860, 1938, 1965, 2108, 2227, 2356, 2489, 2620, 2635, 2945, 3162, 3230, 3534, 3876, 3930, 4061, 4454, 4845, 4978, 5270, 5890, 6324, 6460, 6681, 7068, 7467, 7860, 7905, 8122, 8835, 8908, 9690, 9956, 10013, 10540, 11135, 11780, 12183, 12445, 13362, 14934, 15810, 16244, 17670, 19380, 20026, 20305, 22270, 24366, 24890, 26724, 29868, 30039, 31620, 33405, 35340, 37335, 40052, 40610, 42313, 44540, 48732, 49780, 50065, 60078, 60915, 66810, 69037, 74670, 77159, 81220, 84626, 100130, 120156, 121830, 126939, 133620, 138074, 149340, 150195, 154318, 169252, 200260, 207111, 211565, 231477, 243660, 253878, 276148, 300390, 308636, 345185, 385795, 414222, 423130, 462954, 507756, 600780, 634695, 690370, 771590, 828444, 846260, 925908, 1035555, 1157385, 1269390, 1311703, 1380740, 1543180, 2071110, 2314770, 2538780, 2623406, 3935109, 4142220, 4629540, 5246812, 6558515, 7870218, 13117030, 15740436, 19675545, 26234060, 39351090, 78702180]

約数ペア:

[(1, 78702180), (2, 39351090), (3, 26234060), (4, 19675545), (5, 15740436), (6, 13117030), (10, 7870218), (12, 6558515), (15, 5246812), (17, 4629540), (19, 4142220), (20, 3935109), (30, 2623406), (31, 2538780), (34, 2314770), (38, 2071110), (51, 1543180), (57, 1380740), (60, 1311703), (62, 1269390), (68, 1157385), (76, 1035555), (85, 925908), (93, 846260), (95, 828444), (102, 771590), (114, 690370), (124, 634695), (131, 600780), (155, 507756), (170, 462954), (186, 423130), (190, 414222), (204, 385795), (228, 345185), (255, 308636), (262, 300390), (285, 276148), (310, 253878), (323, 243660), (340, 231477), (372, 211565), (380, 207111), (393, 200260), (465, 169252), (510, 154318), (524, 150195), (527, 149340), (570, 138074), (589, 133620), (620, 126939), (646, 121830), (655, 120156), (786, 100130), (930, 84626), (969, 81220), (1020, 77159), (1054, 74670), (1140, 69037), (1178, 66810), (1292, 60915), (1310, 60078), (1572, 50065), (1581, 49780), (1615, 48732), (1767, 44540), (1860, 42313), (1938, 40610), (1965, 40052), (2108, 37335), (2227, 35340), (2356, 33405), (2489, 31620), (2620, 30039), (2635, 29868), (2945, 26724), (3162, 24890), (3230, 24366), (3534, 22270), (3876, 20305), (3930, 20026), (4061, 19380), (4454, 17670), (4845, 16244), (4978, 15810), (5270, 14934), (5890, 13362), (6324, 12445), (6460, 12183), (6681, 11780), (7068, 11135), (7467, 10540), (7860, 10013), (7905, 9956), (8122, 9690), (8835, 8908)]