247789620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6229}}^1$

素因数の和:6274

約数の個数: 144

約数和(自身を含む): 857198160

約数和(自身を除く): 609408540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6229, 6630, 7956, 9945, 12458, 13260, 18687, 19890, 24916, 31145, 37374, 39780, 56061, 62290, 74748, 80977, 93435, 105893, 112122, 124580, 161954, 186870, 211786, 224244, 242931, 280305, 317679, 323908, 373740, 404885, 423572, 485862, 529465, 560610, 635358, 728793, 809770, 953037, 971724, 1058930, 1121220, 1214655, 1270716, 1376609, 1457586, 1588395, 1619540, 1906074, 2117860, 2429310, 2753218, 2915172, 3176790, 3643965, 3812148, 4129827, 4765185, 4858620, 5506436, 6353580, 6883045, 7287930, 8259654, 9530370, 12389481, 13766090, 14575860, 16519308, 19060740, 20649135, 24778962, 27532180, 41298270, 49557924, 61947405, 82596540, 123894810, 247789620]

約数ペア:

[(1, 247789620), (2, 123894810), (3, 82596540), (4, 61947405), (5, 49557924), (6, 41298270), (9, 27532180), (10, 24778962), (12, 20649135), (13, 19060740), (15, 16519308), (17, 14575860), (18, 13766090), (20, 12389481), (26, 9530370), (30, 8259654), (34, 7287930), (36, 6883045), (39, 6353580), (45, 5506436), (51, 4858620), (52, 4765185), (60, 4129827), (65, 3812148), (68, 3643965), (78, 3176790), (85, 2915172), (90, 2753218), (102, 2429310), (117, 2117860), (130, 1906074), (153, 1619540), (156, 1588395), (170, 1457586), (180, 1376609), (195, 1270716), (204, 1214655), (221, 1121220), (234, 1058930), (255, 971724), (260, 953037), (306, 809770), (340, 728793), (390, 635358), (442, 560610), (468, 529465), (510, 485862), (585, 423572), (612, 404885), (663, 373740), (765, 323908), (780, 317679), (884, 280305), (1020, 242931), (1105, 224244), (1170, 211786), (1326, 186870), (1530, 161954), (1989, 124580), (2210, 112122), (2340, 105893), (2652, 93435), (3060, 80977), (3315, 74748), (3978, 62290), (4420, 56061), (6229, 39780), (6630, 37374), (7956, 31145), (9945, 24916), (12458, 19890), (13260, 18687)]