1286281620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20359}}^1$

素因数の和:20396

約数の個数: 144

約数和(自身を含む): 4357691520

約数和(自身を除く): 3071409900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 7020, 10530, 12636, 15795, 20359, 21060, 31590, 40718, 61077, 63180, 81436, 101795, 122154, 183231, 203590, 244308, 264667, 305385, 366462, 407180, 529334, 549693, 610770, 732924, 794001, 916155, 1058668, 1099386, 1221540, 1323335, 1588002, 1649079, 1832310, 2198772, 2382003, 2646670, 2748465, 3176004, 3298158, 3664620, 3970005, 4764006, 4947237, 5293340, 5496930, 6596316, 7146009, 7940010, 8245395, 9528012, 9894474, 10993860, 11910015, 14292018, 15880020, 16490790, 19788948, 21438027, 23820030, 24736185, 28584036, 32981580, 35730045, 42876054, 47640060, 49472370, 64314081, 71460090, 85752108, 98944740, 107190135, 128628162, 142920180, 214380270, 257256324, 321570405, 428760540, 643140810, 1286281620]

約数ペア:

[(1, 1286281620), (2, 643140810), (3, 428760540), (4, 321570405), (5, 257256324), (6, 214380270), (9, 142920180), (10, 128628162), (12, 107190135), (13, 98944740), (15, 85752108), (18, 71460090), (20, 64314081), (26, 49472370), (27, 47640060), (30, 42876054), (36, 35730045), (39, 32981580), (45, 28584036), (52, 24736185), (54, 23820030), (60, 21438027), (65, 19788948), (78, 16490790), (81, 15880020), (90, 14292018), (108, 11910015), (117, 10993860), (130, 9894474), (135, 9528012), (156, 8245395), (162, 7940010), (180, 7146009), (195, 6596316), (234, 5496930), (243, 5293340), (260, 4947237), (270, 4764006), (324, 3970005), (351, 3664620), (390, 3298158), (405, 3176004), (468, 2748465), (486, 2646670), (540, 2382003), (585, 2198772), (702, 1832310), (780, 1649079), (810, 1588002), (972, 1323335), (1053, 1221540), (1170, 1099386), (1215, 1058668), (1404, 916155), (1620, 794001), (1755, 732924), (2106, 610770), (2340, 549693), (2430, 529334), (3159, 407180), (3510, 366462), (4212, 305385), (4860, 264667), (5265, 244308), (6318, 203590), (7020, 183231), (10530, 122154), (12636, 101795), (15795, 81436), (20359, 63180), (21060, 61077), (31590, 40718)]