315379120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 160

約数和(自身を含む): 890228736

約数和(自身を除く): 574849616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 491, 496, 518, 560, 592, 620, 740, 868, 982, 1036, 1085, 1147, 1240, 1295, 1480, 1736, 1964, 2072, 2170, 2294, 2455, 2480, 2590, 2960, 3437, 3472, 3928, 4144, 4340, 4588, 4910, 5180, 5735, 6874, 7856, 8029, 8680, 9176, 9820, 10360, 11470, 13748, 15221, 16058, 17185, 17360, 18167, 18352, 19640, 20720, 22940, 27496, 30442, 32116, 34370, 36334, 39280, 40145, 45880, 54992, 60884, 64232, 68740, 72668, 76105, 80290, 90835, 91760, 106547, 121768, 127169, 128464, 137480, 145336, 152210, 160580, 181670, 213094, 243536, 254338, 274960, 290672, 304420, 321160, 363340, 426188, 508676, 532735, 563177, 608840, 635845, 642320, 726680, 852376, 1017352, 1065470, 1126354, 1217680, 1271690, 1453360, 1704752, 2034704, 2130940, 2252708, 2543380, 2815885, 3942239, 4261880, 4505416, 5086760, 5631770, 7884478, 8523760, 9010832, 10173520, 11263540, 15768956, 19711195, 22527080, 31537912, 39422390, 45054160, 63075824, 78844780, 157689560, 315379120]

約数ペア:

[(1, 315379120), (2, 157689560), (4, 78844780), (5, 63075824), (7, 45054160), (8, 39422390), (10, 31537912), (14, 22527080), (16, 19711195), (20, 15768956), (28, 11263540), (31, 10173520), (35, 9010832), (37, 8523760), (40, 7884478), (56, 5631770), (62, 5086760), (70, 4505416), (74, 4261880), (80, 3942239), (112, 2815885), (124, 2543380), (140, 2252708), (148, 2130940), (155, 2034704), (185, 1704752), (217, 1453360), (248, 1271690), (259, 1217680), (280, 1126354), (296, 1065470), (310, 1017352), (370, 852376), (434, 726680), (491, 642320), (496, 635845), (518, 608840), (560, 563177), (592, 532735), (620, 508676), (740, 426188), (868, 363340), (982, 321160), (1036, 304420), (1085, 290672), (1147, 274960), (1240, 254338), (1295, 243536), (1480, 213094), (1736, 181670), (1964, 160580), (2072, 152210), (2170, 145336), (2294, 137480), (2455, 128464), (2480, 127169), (2590, 121768), (2960, 106547), (3437, 91760), (3472, 90835), (3928, 80290), (4144, 76105), (4340, 72668), (4588, 68740), (4910, 64232), (5180, 60884), (5735, 54992), (6874, 45880), (7856, 40145), (8029, 39280), (8680, 36334), (9176, 34370), (9820, 32116), (10360, 30442), (11470, 27496), (13748, 22940), (15221, 20720), (16058, 19640), (17185, 18352), (17360, 18167)]