251879580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1648

約数の個数: 144

約数和(自身を含む): 821882880

約数和(自身を除く): 570003300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 564, 570, 684, 705, 846, 855, 893, 940, 1140, 1410, 1567, 1692, 1710, 1786, 2115, 2679, 2820, 3134, 3420, 3572, 4230, 4465, 4701, 5358, 6268, 7835, 8037, 8460, 8930, 9402, 10716, 13395, 14103, 15670, 16074, 17860, 18804, 23505, 26790, 28206, 29773, 31340, 32148, 40185, 47010, 53580, 56412, 59546, 70515, 73649, 80370, 89319, 94020, 119092, 141030, 147298, 148865, 160740, 178638, 220947, 267957, 282060, 294596, 297730, 357276, 368245, 441894, 446595, 535914, 595460, 662841, 736490, 883788, 893190, 1071828, 1104735, 1325682, 1339785, 1399331, 1472980, 1786380, 2209470, 2651364, 2679570, 2798662, 3314205, 4197993, 4418940, 5359140, 5597324, 6628410, 6996655, 8395986, 12593979, 13256820, 13993310, 16791972, 20989965, 25187958, 27986620, 41979930, 50375916, 62969895, 83959860, 125939790, 251879580]

約数ペア:

[(1, 251879580), (2, 125939790), (3, 83959860), (4, 62969895), (5, 50375916), (6, 41979930), (9, 27986620), (10, 25187958), (12, 20989965), (15, 16791972), (18, 13993310), (19, 13256820), (20, 12593979), (30, 8395986), (36, 6996655), (38, 6628410), (45, 5597324), (47, 5359140), (57, 4418940), (60, 4197993), (76, 3314205), (90, 2798662), (94, 2679570), (95, 2651364), (114, 2209470), (141, 1786380), (171, 1472980), (180, 1399331), (188, 1339785), (190, 1325682), (228, 1104735), (235, 1071828), (282, 893190), (285, 883788), (342, 736490), (380, 662841), (423, 595460), (470, 535914), (564, 446595), (570, 441894), (684, 368245), (705, 357276), (846, 297730), (855, 294596), (893, 282060), (940, 267957), (1140, 220947), (1410, 178638), (1567, 160740), (1692, 148865), (1710, 147298), (1786, 141030), (2115, 119092), (2679, 94020), (2820, 89319), (3134, 80370), (3420, 73649), (3572, 70515), (4230, 59546), (4465, 56412), (4701, 53580), (5358, 47010), (6268, 40185), (7835, 32148), (8037, 31340), (8460, 29773), (8930, 28206), (9402, 26790), (10716, 23505), (13395, 18804), (14103, 17860), (15670, 16074)]