1284395220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1450

約数の個数: 144

約数和(自身を含む): 4139121168

約数和(自身を除く): 2854725948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 421, 510, 612, 765, 842, 997, 1020, 1263, 1530, 1684, 1994, 2105, 2526, 2991, 3060, 3789, 3988, 4210, 4985, 5052, 5982, 6315, 7157, 7578, 8420, 8973, 9970, 11964, 12630, 14314, 14955, 15156, 16949, 17946, 18945, 19940, 21471, 25260, 28628, 29910, 33898, 35785, 35892, 37890, 42942, 44865, 50847, 59820, 64413, 67796, 71570, 75780, 84745, 85884, 89730, 101694, 107355, 128826, 143140, 152541, 169490, 179460, 203388, 214710, 254235, 257652, 305082, 322065, 338980, 419737, 429420, 508470, 610164, 644130, 762705, 839474, 1016940, 1259211, 1288260, 1525410, 1678948, 2098685, 2518422, 3050820, 3777633, 4197370, 5036844, 6296055, 7135529, 7555266, 8394740, 12592110, 14271058, 15110532, 18888165, 21406587, 25184220, 28542116, 35677645, 37776330, 42813174, 64219761, 71355290, 75552660, 85626348, 107032935, 128439522, 142710580, 214065870, 256879044, 321098805, 428131740, 642197610, 1284395220]

約数ペア:

[(1, 1284395220), (2, 642197610), (3, 428131740), (4, 321098805), (5, 256879044), (6, 214065870), (9, 142710580), (10, 128439522), (12, 107032935), (15, 85626348), (17, 75552660), (18, 71355290), (20, 64219761), (30, 42813174), (34, 37776330), (36, 35677645), (45, 28542116), (51, 25184220), (60, 21406587), (68, 18888165), (85, 15110532), (90, 14271058), (102, 12592110), (153, 8394740), (170, 7555266), (180, 7135529), (204, 6296055), (255, 5036844), (306, 4197370), (340, 3777633), (421, 3050820), (510, 2518422), (612, 2098685), (765, 1678948), (842, 1525410), (997, 1288260), (1020, 1259211), (1263, 1016940), (1530, 839474), (1684, 762705), (1994, 644130), (2105, 610164), (2526, 508470), (2991, 429420), (3060, 419737), (3789, 338980), (3988, 322065), (4210, 305082), (4985, 257652), (5052, 254235), (5982, 214710), (6315, 203388), (7157, 179460), (7578, 169490), (8420, 152541), (8973, 143140), (9970, 128826), (11964, 107355), (12630, 101694), (14314, 89730), (14955, 85884), (15156, 84745), (16949, 75780), (17946, 71570), (18945, 67796), (19940, 64413), (21471, 59820), (25260, 50847), (28628, 44865), (29910, 42942), (33898, 37890), (35785, 35892)]