171891900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 216

約数和(自身を含む): 570880128

約数和(自身を除く): 398988228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 61, 62, 75, 90, 93, 100, 101, 122, 124, 150, 155, 180, 183, 186, 202, 225, 244, 279, 300, 303, 305, 310, 366, 372, 404, 450, 465, 505, 549, 558, 606, 610, 620, 732, 775, 900, 909, 915, 930, 1010, 1098, 1116, 1212, 1220, 1395, 1515, 1525, 1550, 1818, 1830, 1860, 1891, 2020, 2196, 2325, 2525, 2745, 2790, 3030, 3050, 3100, 3131, 3636, 3660, 3782, 4545, 4575, 4650, 5050, 5490, 5580, 5673, 6060, 6100, 6161, 6262, 6975, 7564, 7575, 9090, 9150, 9300, 9393, 9455, 10100, 10980, 11346, 12322, 12524, 13725, 13950, 15150, 15655, 17019, 18180, 18300, 18483, 18786, 18910, 22692, 22725, 24644, 27450, 27900, 28179, 28365, 30300, 30805, 31310, 34038, 36966, 37572, 37820, 45450, 46965, 47275, 54900, 55449, 56358, 56730, 61610, 62620, 68076, 73932, 78275, 85095, 90900, 92415, 93930, 94550, 110898, 112716, 113460, 123220, 140895, 141825, 154025, 156550, 170190, 184830, 187860, 189100, 190991, 221796, 234825, 277245, 281790, 283650, 308050, 313100, 340380, 369660, 381982, 425475, 462075, 469650, 554490, 563580, 567300, 572973, 616100, 704475, 763964, 850950, 924150, 939300, 954955, 1108980, 1145946, 1386225, 1408950, 1701900, 1718919, 1848300, 1909910, 2291892, 2772450, 2817900, 2864865, 3437838, 3819820, 4774775, 5544900, 5729730, 6875676, 8594595, 9549550, 11459460, 14324325, 17189190, 19099100, 28648650, 34378380, 42972975, 57297300, 85945950, 171891900]

約数ペア:

[(1, 171891900), (2, 85945950), (3, 57297300), (4, 42972975), (5, 34378380), (6, 28648650), (9, 19099100), (10, 17189190), (12, 14324325), (15, 11459460), (18, 9549550), (20, 8594595), (25, 6875676), (30, 5729730), (31, 5544900), (36, 4774775), (45, 3819820), (50, 3437838), (60, 2864865), (61, 2817900), (62, 2772450), (75, 2291892), (90, 1909910), (93, 1848300), (100, 1718919), (101, 1701900), (122, 1408950), (124, 1386225), (150, 1145946), (155, 1108980), (180, 954955), (183, 939300), (186, 924150), (202, 850950), (225, 763964), (244, 704475), (279, 616100), (300, 572973), (303, 567300), (305, 563580), (310, 554490), (366, 469650), (372, 462075), (404, 425475), (450, 381982), (465, 369660), (505, 340380), (549, 313100), (558, 308050), (606, 283650), (610, 281790), (620, 277245), (732, 234825), (775, 221796), (900, 190991), (909, 189100), (915, 187860), (930, 184830), (1010, 170190), (1098, 156550), (1116, 154025), (1212, 141825), (1220, 140895), (1395, 123220), (1515, 113460), (1525, 112716), (1550, 110898), (1818, 94550), (1830, 93930), (1860, 92415), (1891, 90900), (2020, 85095), (2196, 78275), (2325, 73932), (2525, 68076), (2745, 62620), (2790, 61610), (3030, 56730), (3050, 56358), (3100, 55449), (3131, 54900), (3636, 47275), (3660, 46965), (3782, 45450), (4545, 37820), (4575, 37572), (4650, 36966), (5050, 34038), (5490, 31310), (5580, 30805), (5673, 30300), (6060, 28365), (6100, 28179), (6161, 27900), (6262, 27450), (6975, 24644), (7564, 22725), (7575, 22692), (9090, 18910), (9150, 18786), (9300, 18483), (9393, 18300), (9455, 18180), (10100, 17019), (10980, 15655), (11346, 15150), (12322, 13950), (12524, 13725)]