28332540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 93405312

約数和(自身を除く): 65072772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 197, 204, 235, 255, 282, 306, 340, 394, 423, 470, 510, 564, 591, 612, 705, 765, 788, 799, 846, 940, 985, 1020, 1182, 1410, 1530, 1598, 1692, 1773, 1970, 2115, 2364, 2397, 2820, 2955, 3060, 3196, 3349, 3546, 3940, 3995, 4230, 4794, 5910, 6698, 7092, 7191, 7990, 8460, 8865, 9259, 9588, 10047, 11820, 11985, 13396, 14382, 15980, 16745, 17730, 18518, 20094, 23970, 27777, 28764, 30141, 33490, 35460, 35955, 37036, 40188, 46295, 47940, 50235, 55554, 60282, 66980, 71910, 83331, 92590, 100470, 111108, 120564, 138885, 143820, 150705, 157403, 166662, 185180, 200940, 277770, 301410, 314806, 333324, 416655, 472209, 555540, 602820, 629612, 787015, 833310, 944418, 1416627, 1574030, 1666620, 1888836, 2361045, 2833254, 3148060, 4722090, 5666508, 7083135, 9444180, 14166270, 28332540]

約数ペア:

[(1, 28332540), (2, 14166270), (3, 9444180), (4, 7083135), (5, 5666508), (6, 4722090), (9, 3148060), (10, 2833254), (12, 2361045), (15, 1888836), (17, 1666620), (18, 1574030), (20, 1416627), (30, 944418), (34, 833310), (36, 787015), (45, 629612), (47, 602820), (51, 555540), (60, 472209), (68, 416655), (85, 333324), (90, 314806), (94, 301410), (102, 277770), (141, 200940), (153, 185180), (170, 166662), (180, 157403), (188, 150705), (197, 143820), (204, 138885), (235, 120564), (255, 111108), (282, 100470), (306, 92590), (340, 83331), (394, 71910), (423, 66980), (470, 60282), (510, 55554), (564, 50235), (591, 47940), (612, 46295), (705, 40188), (765, 37036), (788, 35955), (799, 35460), (846, 33490), (940, 30141), (985, 28764), (1020, 27777), (1182, 23970), (1410, 20094), (1530, 18518), (1598, 17730), (1692, 16745), (1773, 15980), (1970, 14382), (2115, 13396), (2364, 11985), (2397, 11820), (2820, 10047), (2955, 9588), (3060, 9259), (3196, 8865), (3349, 8460), (3546, 7990), (3940, 7191), (3995, 7092), (4230, 6698), (4794, 5910)]