31084380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 101556000

約数和(自身を除く): 70471620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 149, 171, 180, 183, 190, 228, 244, 285, 298, 305, 342, 366, 380, 447, 549, 570, 596, 610, 684, 732, 745, 855, 894, 915, 1098, 1140, 1159, 1220, 1341, 1490, 1710, 1788, 1830, 2196, 2235, 2318, 2682, 2745, 2831, 2980, 3420, 3477, 3660, 4470, 4636, 5364, 5490, 5662, 5795, 6705, 6954, 8493, 8940, 9089, 10431, 10980, 11324, 11590, 13410, 13908, 14155, 16986, 17385, 18178, 20862, 23180, 25479, 26820, 27267, 28310, 33972, 34770, 36356, 41724, 42465, 45445, 50958, 52155, 54534, 56620, 69540, 81801, 84930, 90890, 101916, 104310, 109068, 127395, 136335, 163602, 169860, 172691, 181780, 208620, 254790, 272670, 327204, 345382, 409005, 509580, 518073, 545340, 690764, 818010, 863455, 1036146, 1554219, 1636020, 1726910, 2072292, 2590365, 3108438, 3453820, 5180730, 6216876, 7771095, 10361460, 15542190, 31084380]

約数ペア:

[(1, 31084380), (2, 15542190), (3, 10361460), (4, 7771095), (5, 6216876), (6, 5180730), (9, 3453820), (10, 3108438), (12, 2590365), (15, 2072292), (18, 1726910), (19, 1636020), (20, 1554219), (30, 1036146), (36, 863455), (38, 818010), (45, 690764), (57, 545340), (60, 518073), (61, 509580), (76, 409005), (90, 345382), (95, 327204), (114, 272670), (122, 254790), (149, 208620), (171, 181780), (180, 172691), (183, 169860), (190, 163602), (228, 136335), (244, 127395), (285, 109068), (298, 104310), (305, 101916), (342, 90890), (366, 84930), (380, 81801), (447, 69540), (549, 56620), (570, 54534), (596, 52155), (610, 50958), (684, 45445), (732, 42465), (745, 41724), (855, 36356), (894, 34770), (915, 33972), (1098, 28310), (1140, 27267), (1159, 26820), (1220, 25479), (1341, 23180), (1490, 20862), (1710, 18178), (1788, 17385), (1830, 16986), (2196, 14155), (2235, 13908), (2318, 13410), (2682, 11590), (2745, 11324), (2831, 10980), (2980, 10431), (3420, 9089), (3477, 8940), (3660, 8493), (4470, 6954), (4636, 6705), (5364, 5795), (5490, 5662)]