315037240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 851005440

約数和(自身を除く): 535968200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 140, 148, 185, 188, 235, 259, 280, 296, 329, 370, 376, 470, 518, 647, 658, 740, 940, 1036, 1294, 1295, 1316, 1480, 1645, 1739, 1880, 2072, 2588, 2590, 2632, 3235, 3290, 3478, 4529, 5176, 5180, 6470, 6580, 6956, 8695, 9058, 10360, 12173, 12940, 13160, 13912, 17390, 18116, 22645, 23939, 24346, 25880, 30409, 34780, 36232, 45290, 47878, 48692, 60818, 60865, 69560, 90580, 95756, 97384, 119695, 121636, 121730, 152045, 167573, 181160, 191512, 212863, 239390, 243272, 243460, 304090, 335146, 425726, 478780, 486920, 608180, 670292, 837865, 851452, 957560, 1064315, 1125133, 1216360, 1340584, 1675730, 1702904, 2128630, 2250266, 3351460, 4257260, 4500532, 5625665, 6702920, 7875931, 8514520, 9001064, 11251330, 15751862, 22502660, 31503724, 39379655, 45005320, 63007448, 78759310, 157518620, 315037240]

約数ペア:

[(1, 315037240), (2, 157518620), (4, 78759310), (5, 63007448), (7, 45005320), (8, 39379655), (10, 31503724), (14, 22502660), (20, 15751862), (28, 11251330), (35, 9001064), (37, 8514520), (40, 7875931), (47, 6702920), (56, 5625665), (70, 4500532), (74, 4257260), (94, 3351460), (140, 2250266), (148, 2128630), (185, 1702904), (188, 1675730), (235, 1340584), (259, 1216360), (280, 1125133), (296, 1064315), (329, 957560), (370, 851452), (376, 837865), (470, 670292), (518, 608180), (647, 486920), (658, 478780), (740, 425726), (940, 335146), (1036, 304090), (1294, 243460), (1295, 243272), (1316, 239390), (1480, 212863), (1645, 191512), (1739, 181160), (1880, 167573), (2072, 152045), (2588, 121730), (2590, 121636), (2632, 119695), (3235, 97384), (3290, 95756), (3478, 90580), (4529, 69560), (5176, 60865), (5180, 60818), (6470, 48692), (6580, 47878), (6956, 45290), (8695, 36232), (9058, 34780), (10360, 30409), (12173, 25880), (12940, 24346), (13160, 23939), (13912, 22645), (17390, 18116)]