197370180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 711337536

約数和(自身を除く): 513967356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 163, 180, 186, 210, 217, 252, 279, 310, 315, 326, 372, 420, 434, 465, 489, 558, 620, 630, 651, 652, 815, 868, 930, 961, 978, 1085, 1116, 1141, 1260, 1302, 1395, 1467, 1630, 1860, 1922, 1953, 1956, 2170, 2282, 2445, 2604, 2790, 2883, 2934, 3255, 3260, 3423, 3844, 3906, 4340, 4564, 4805, 4890, 5053, 5580, 5705, 5766, 5868, 6510, 6727, 6846, 7335, 7812, 8649, 9610, 9765, 9780, 10106, 10269, 11410, 11532, 13020, 13454, 13692, 14415, 14670, 15159, 17115, 17298, 19220, 19530, 20181, 20212, 20538, 22820, 25265, 26908, 28830, 29340, 30318, 33635, 34230, 34596, 35371, 39060, 40362, 41076, 43245, 45477, 50530, 51345, 57660, 60543, 60636, 67270, 68460, 70742, 75795, 80724, 86490, 90954, 100905, 101060, 102690, 106113, 121086, 134540, 141484, 151590, 156643, 172980, 176855, 181908, 201810, 205380, 212226, 227385, 242172, 302715, 303180, 313286, 318339, 353710, 403620, 424452, 454770, 469929, 530565, 605430, 626572, 636678, 707420, 783215, 909540, 939858, 1061130, 1096501, 1210860, 1273356, 1409787, 1566430, 1591695, 1879716, 2122260, 2193002, 2349645, 2819574, 3132860, 3183390, 3289503, 4386004, 4699290, 5482505, 5639148, 6366780, 6579006, 7048935, 9398580, 9868509, 10965010, 13158012, 14097870, 16447515, 19737018, 21930020, 28195740, 32895030, 39474036, 49342545, 65790060, 98685090, 197370180]

約数ペア:

[(1, 197370180), (2, 98685090), (3, 65790060), (4, 49342545), (5, 39474036), (6, 32895030), (7, 28195740), (9, 21930020), (10, 19737018), (12, 16447515), (14, 14097870), (15, 13158012), (18, 10965010), (20, 9868509), (21, 9398580), (28, 7048935), (30, 6579006), (31, 6366780), (35, 5639148), (36, 5482505), (42, 4699290), (45, 4386004), (60, 3289503), (62, 3183390), (63, 3132860), (70, 2819574), (84, 2349645), (90, 2193002), (93, 2122260), (105, 1879716), (124, 1591695), (126, 1566430), (140, 1409787), (155, 1273356), (163, 1210860), (180, 1096501), (186, 1061130), (210, 939858), (217, 909540), (252, 783215), (279, 707420), (310, 636678), (315, 626572), (326, 605430), (372, 530565), (420, 469929), (434, 454770), (465, 424452), (489, 403620), (558, 353710), (620, 318339), (630, 313286), (651, 303180), (652, 302715), (815, 242172), (868, 227385), (930, 212226), (961, 205380), (978, 201810), (1085, 181908), (1116, 176855), (1141, 172980), (1260, 156643), (1302, 151590), (1395, 141484), (1467, 134540), (1630, 121086), (1860, 106113), (1922, 102690), (1953, 101060), (1956, 100905), (2170, 90954), (2282, 86490), (2445, 80724), (2604, 75795), (2790, 70742), (2883, 68460), (2934, 67270), (3255, 60636), (3260, 60543), (3423, 57660), (3844, 51345), (3906, 50530), (4340, 45477), (4564, 43245), (4805, 41076), (4890, 40362), (5053, 39060), (5580, 35371), (5705, 34596), (5766, 34230), (5868, 33635), (6510, 30318), (6727, 29340), (6846, 28830), (7335, 26908), (7812, 25265), (8649, 22820), (9610, 20538), (9765, 20212), (9780, 20181), (10106, 19530), (10269, 19220), (11410, 17298), (11532, 17115), (13020, 15159), (13454, 14670), (13692, 14415)]