1296990400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:463

約数の個数: 168

約数和(自身を含む): 3346135040

約数和(自身を除く): 2049144640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 79, 80, 100, 124, 155, 158, 160, 200, 248, 310, 316, 320, 331, 395, 400, 496, 620, 632, 662, 775, 790, 800, 992, 1240, 1264, 1324, 1550, 1580, 1600, 1655, 1975, 1984, 2449, 2480, 2528, 2648, 3100, 3160, 3310, 3950, 4898, 4960, 5056, 5296, 6200, 6320, 6620, 7900, 8275, 9796, 9920, 10261, 10592, 12245, 12400, 12640, 13240, 15800, 16550, 19592, 20522, 21184, 24490, 24800, 25280, 26149, 26480, 31600, 33100, 39184, 41044, 48980, 49600, 51305, 52298, 52960, 61225, 63200, 66200, 78368, 82088, 97960, 102610, 104596, 105920, 122450, 126400, 130745, 132400, 156736, 164176, 195920, 205220, 209192, 244900, 256525, 261490, 264800, 328352, 391840, 410440, 418384, 489800, 513050, 522980, 529600, 653725, 656704, 783680, 810619, 820880, 836768, 979600, 1026100, 1045960, 1307450, 1621238, 1641760, 1673536, 1959200, 2052200, 2091920, 2614900, 3242476, 3283520, 3918400, 4053095, 4104400, 4183840, 5229800, 6484952, 8106190, 8208800, 8367680, 10459600, 12969904, 16212380, 16417600, 20265475, 20919200, 25939808, 32424760, 40530950, 41838400, 51879616, 64849520, 81061900, 129699040, 162123800, 259398080, 324247600, 648495200, 1296990400]

約数ペア:

[(1, 1296990400), (2, 648495200), (4, 324247600), (5, 259398080), (8, 162123800), (10, 129699040), (16, 81061900), (20, 64849520), (25, 51879616), (31, 41838400), (32, 40530950), (40, 32424760), (50, 25939808), (62, 20919200), (64, 20265475), (79, 16417600), (80, 16212380), (100, 12969904), (124, 10459600), (155, 8367680), (158, 8208800), (160, 8106190), (200, 6484952), (248, 5229800), (310, 4183840), (316, 4104400), (320, 4053095), (331, 3918400), (395, 3283520), (400, 3242476), (496, 2614900), (620, 2091920), (632, 2052200), (662, 1959200), (775, 1673536), (790, 1641760), (800, 1621238), (992, 1307450), (1240, 1045960), (1264, 1026100), (1324, 979600), (1550, 836768), (1580, 820880), (1600, 810619), (1655, 783680), (1975, 656704), (1984, 653725), (2449, 529600), (2480, 522980), (2528, 513050), (2648, 489800), (3100, 418384), (3160, 410440), (3310, 391840), (3950, 328352), (4898, 264800), (4960, 261490), (5056, 256525), (5296, 244900), (6200, 209192), (6320, 205220), (6620, 195920), (7900, 164176), (8275, 156736), (9796, 132400), (9920, 130745), (10261, 126400), (10592, 122450), (12245, 105920), (12400, 104596), (12640, 102610), (13240, 97960), (15800, 82088), (16550, 78368), (19592, 66200), (20522, 63200), (21184, 61225), (24490, 52960), (24800, 52298), (25280, 51305), (26149, 49600), (26480, 48980), (31600, 41044), (33100, 39184)]