631985220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2055

約数の個数: 192

約数和(自身を含む): 2137497600

約数和(自身を除く): 1505512380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 90, 93, 95, 108, 114, 124, 135, 155, 171, 180, 186, 190, 228, 270, 279, 285, 310, 342, 372, 380, 465, 513, 540, 558, 570, 589, 620, 684, 837, 855, 930, 1026, 1116, 1140, 1178, 1395, 1674, 1710, 1767, 1860, 1987, 2052, 2356, 2565, 2790, 2945, 3348, 3420, 3534, 3974, 4185, 5130, 5301, 5580, 5890, 5961, 7068, 7948, 8370, 8835, 9935, 10260, 10602, 11780, 11922, 15903, 16740, 17670, 17883, 19870, 21204, 23844, 26505, 29805, 31806, 35340, 35766, 37753, 39740, 53010, 53649, 59610, 61597, 63612, 71532, 75506, 79515, 89415, 106020, 107298, 113259, 119220, 123194, 151012, 159030, 178830, 184791, 188765, 214596, 226518, 246388, 268245, 307985, 318060, 339777, 357660, 369582, 377530, 453036, 536490, 554373, 566295, 615970, 679554, 739164, 755060, 923955, 1019331, 1072980, 1108746, 1132590, 1170343, 1231940, 1359108, 1663119, 1698885, 1847910, 2038662, 2217492, 2265180, 2340686, 2771865, 3326238, 3397770, 3511029, 3695820, 4077324, 4681372, 5096655, 5543730, 5851715, 6652476, 6795540, 7022058, 8315595, 10193310, 10533087, 11087460, 11703430, 14044116, 16631190, 17555145, 20386620, 21066174, 23406860, 31599261, 33262380, 35110290, 42132348, 52665435, 63198522, 70220580, 105330870, 126397044, 157996305, 210661740, 315992610, 631985220]

約数ペア:

[(1, 631985220), (2, 315992610), (3, 210661740), (4, 157996305), (5, 126397044), (6, 105330870), (9, 70220580), (10, 63198522), (12, 52665435), (15, 42132348), (18, 35110290), (19, 33262380), (20, 31599261), (27, 23406860), (30, 21066174), (31, 20386620), (36, 17555145), (38, 16631190), (45, 14044116), (54, 11703430), (57, 11087460), (60, 10533087), (62, 10193310), (76, 8315595), (90, 7022058), (93, 6795540), (95, 6652476), (108, 5851715), (114, 5543730), (124, 5096655), (135, 4681372), (155, 4077324), (171, 3695820), (180, 3511029), (186, 3397770), (190, 3326238), (228, 2771865), (270, 2340686), (279, 2265180), (285, 2217492), (310, 2038662), (342, 1847910), (372, 1698885), (380, 1663119), (465, 1359108), (513, 1231940), (540, 1170343), (558, 1132590), (570, 1108746), (589, 1072980), (620, 1019331), (684, 923955), (837, 755060), (855, 739164), (930, 679554), (1026, 615970), (1116, 566295), (1140, 554373), (1178, 536490), (1395, 453036), (1674, 377530), (1710, 369582), (1767, 357660), (1860, 339777), (1987, 318060), (2052, 307985), (2356, 268245), (2565, 246388), (2790, 226518), (2945, 214596), (3348, 188765), (3420, 184791), (3534, 178830), (3974, 159030), (4185, 151012), (5130, 123194), (5301, 119220), (5580, 113259), (5890, 107298), (5961, 106020), (7068, 89415), (7948, 79515), (8370, 75506), (8835, 71532), (9935, 63612), (10260, 61597), (10602, 59610), (11780, 53649), (11922, 53010), (15903, 39740), (16740, 37753), (17670, 35766), (17883, 35340), (19870, 31806), (21204, 29805), (23844, 26505)]