1221473520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3354

約数の個数: 240

約数和(自身を含む): 4479296640

約数和(自身を除く): 3257823120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1520, 1539, 1620, 1710, 1944, 2052, 2160, 2280, 2430, 2565, 2736, 3078, 3240, 3307, 3420, 3888, 4104, 4560, 4617, 4860, 5130, 6156, 6480, 6614, 6840, 7695, 8208, 9234, 9720, 9921, 10260, 12312, 13228, 13680, 15390, 16535, 18468, 19440, 19842, 20520, 23085, 24624, 26456, 29763, 30780, 33070, 36936, 39684, 41040, 46170, 49605, 52912, 59526, 61560, 62833, 66140, 73872, 79368, 89289, 92340, 99210, 119052, 123120, 125666, 132280, 148815, 158736, 178578, 184680, 188499, 198420, 238104, 251332, 264560, 267867, 297630, 314165, 357156, 369360, 376998, 396840, 446445, 476208, 502664, 535734, 565497, 595260, 628330, 714312, 753996, 793680, 803601, 892890, 942495, 1005328, 1071468, 1130994, 1190520, 1256660, 1339335, 1428624, 1507992, 1607202, 1696491, 1785780, 1884990, 2142936, 2261988, 2381040, 2513320, 2678670, 2827485, 3015984, 3214404, 3392982, 3571560, 3769980, 4018005, 4285872, 4523976, 5026640, 5089473, 5357340, 5654970, 6428808, 6785964, 7143120, 7539960, 8036010, 8482455, 9047952, 10178946, 10714680, 11309940, 12857616, 13571928, 15079920, 15268419, 16072020, 16964910, 20357892, 21429360, 22619880, 25447365, 27143856, 30536838, 32144040, 33929820, 40715784, 45239760, 50894730, 61073676, 64288080, 67859640, 76342095, 81431568, 101789460, 122147352, 135719280, 152684190, 203578920, 244294704, 305368380, 407157840, 610736760, 1221473520]

約数ペア:

[(1, 1221473520), (2, 610736760), (3, 407157840), (4, 305368380), (5, 244294704), (6, 203578920), (8, 152684190), (9, 135719280), (10, 122147352), (12, 101789460), (15, 81431568), (16, 76342095), (18, 67859640), (19, 64288080), (20, 61073676), (24, 50894730), (27, 45239760), (30, 40715784), (36, 33929820), (38, 32144040), (40, 30536838), (45, 27143856), (48, 25447365), (54, 22619880), (57, 21429360), (60, 20357892), (72, 16964910), (76, 16072020), (80, 15268419), (81, 15079920), (90, 13571928), (95, 12857616), (108, 11309940), (114, 10714680), (120, 10178946), (135, 9047952), (144, 8482455), (152, 8036010), (162, 7539960), (171, 7143120), (180, 6785964), (190, 6428808), (216, 5654970), (228, 5357340), (240, 5089473), (243, 5026640), (270, 4523976), (285, 4285872), (304, 4018005), (324, 3769980), (342, 3571560), (360, 3392982), (380, 3214404), (405, 3015984), (432, 2827485), (456, 2678670), (486, 2513320), (513, 2381040), (540, 2261988), (570, 2142936), (648, 1884990), (684, 1785780), (720, 1696491), (760, 1607202), (810, 1507992), (855, 1428624), (912, 1339335), (972, 1256660), (1026, 1190520), (1080, 1130994), (1140, 1071468), (1215, 1005328), (1296, 942495), (1368, 892890), (1520, 803601), (1539, 793680), (1620, 753996), (1710, 714312), (1944, 628330), (2052, 595260), (2160, 565497), (2280, 535734), (2430, 502664), (2565, 476208), (2736, 446445), (3078, 396840), (3240, 376998), (3307, 369360), (3420, 357156), (3888, 314165), (4104, 297630), (4560, 267867), (4617, 264560), (4860, 251332), (5130, 238104), (6156, 198420), (6480, 188499), (6614, 184680), (6840, 178578), (7695, 158736), (8208, 148815), (9234, 132280), (9720, 125666), (9921, 123120), (10260, 119052), (12312, 99210), (13228, 92340), (13680, 89289), (15390, 79368), (16535, 73872), (18468, 66140), (19440, 62833), (19842, 61560), (20520, 59526), (23085, 52912), (24624, 49605), (26456, 46170), (29763, 41040), (30780, 39684), (33070, 36936)]