131355990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 372677760

約数和(自身を除く): 241321770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 89, 90, 93, 115, 138, 155, 178, 186, 207, 230, 267, 279, 310, 345, 414, 445, 465, 529, 534, 558, 690, 713, 801, 890, 930, 1035, 1058, 1335, 1395, 1426, 1587, 1602, 2047, 2070, 2139, 2645, 2670, 2759, 2790, 3174, 3565, 4005, 4094, 4278, 4761, 5290, 5518, 6141, 6417, 7130, 7935, 8010, 8277, 9522, 10235, 10695, 12282, 12834, 13795, 15870, 16399, 16554, 18423, 20470, 21390, 23805, 24831, 27590, 30705, 32085, 32798, 36846, 41385, 47081, 47610, 49197, 49662, 61410, 63457, 64170, 81995, 82770, 92115, 94162, 98394, 124155, 126914, 141243, 147591, 163990, 184230, 190371, 235405, 245985, 248310, 282486, 295182, 317285, 380742, 423729, 470810, 491970, 571113, 634570, 706215, 737955, 847458, 951855, 1142226, 1412430, 1459511, 1475910, 1903710, 2118645, 2855565, 2919022, 4237290, 4378533, 5711130, 7297555, 8757066, 13135599, 14595110, 21892665, 26271198, 43785330, 65677995, 131355990]

約数ペア:

[(1, 131355990), (2, 65677995), (3, 43785330), (5, 26271198), (6, 21892665), (9, 14595110), (10, 13135599), (15, 8757066), (18, 7297555), (23, 5711130), (30, 4378533), (31, 4237290), (45, 2919022), (46, 2855565), (62, 2118645), (69, 1903710), (89, 1475910), (90, 1459511), (93, 1412430), (115, 1142226), (138, 951855), (155, 847458), (178, 737955), (186, 706215), (207, 634570), (230, 571113), (267, 491970), (279, 470810), (310, 423729), (345, 380742), (414, 317285), (445, 295182), (465, 282486), (529, 248310), (534, 245985), (558, 235405), (690, 190371), (713, 184230), (801, 163990), (890, 147591), (930, 141243), (1035, 126914), (1058, 124155), (1335, 98394), (1395, 94162), (1426, 92115), (1587, 82770), (1602, 81995), (2047, 64170), (2070, 63457), (2139, 61410), (2645, 49662), (2670, 49197), (2759, 47610), (2790, 47081), (3174, 41385), (3565, 36846), (4005, 32798), (4094, 32085), (4278, 30705), (4761, 27590), (5290, 24831), (5518, 23805), (6141, 21390), (6417, 20470), (7130, 18423), (7935, 16554), (8010, 16399), (8277, 15870), (9522, 13795), (10235, 12834), (10695, 12282)]