1270202220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6421}}^1$

素因数の和:6600

約数の個数: 144

約数和(自身を含む): 4432104768

約数和(自身を除く): 3161902548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1260, 1413, 1570, 1884, 2198, 2355, 2826, 3140, 3297, 4396, 4710, 5495, 5652, 6421, 6594, 7065, 9420, 9891, 10990, 12842, 13188, 14130, 16485, 19263, 19782, 21980, 25684, 28260, 32105, 32970, 38526, 39564, 44947, 49455, 57789, 64210, 65940, 77052, 89894, 96315, 98910, 115578, 128420, 134841, 179788, 192630, 197820, 224735, 231156, 269682, 288945, 385260, 404523, 449470, 539364, 577890, 674205, 809046, 898940, 1008097, 1155780, 1348410, 1618092, 2016194, 2022615, 2696820, 3024291, 4032388, 4045230, 5040485, 6048582, 7056679, 8090460, 9072873, 10080970, 12097164, 14113358, 15121455, 18145746, 20161940, 21170037, 28226716, 30242910, 35283395, 36291492, 42340074, 45364365, 60485820, 63510111, 70566790, 84680148, 90728730, 105850185, 127020222, 141133580, 181457460, 211700370, 254040444, 317550555, 423400740, 635101110, 1270202220]

約数ペア:

[(1, 1270202220), (2, 635101110), (3, 423400740), (4, 317550555), (5, 254040444), (6, 211700370), (7, 181457460), (9, 141133580), (10, 127020222), (12, 105850185), (14, 90728730), (15, 84680148), (18, 70566790), (20, 63510111), (21, 60485820), (28, 45364365), (30, 42340074), (35, 36291492), (36, 35283395), (42, 30242910), (45, 28226716), (60, 21170037), (63, 20161940), (70, 18145746), (84, 15121455), (90, 14113358), (105, 12097164), (126, 10080970), (140, 9072873), (157, 8090460), (180, 7056679), (210, 6048582), (252, 5040485), (314, 4045230), (315, 4032388), (420, 3024291), (471, 2696820), (628, 2022615), (630, 2016194), (785, 1618092), (942, 1348410), (1099, 1155780), (1260, 1008097), (1413, 898940), (1570, 809046), (1884, 674205), (2198, 577890), (2355, 539364), (2826, 449470), (3140, 404523), (3297, 385260), (4396, 288945), (4710, 269682), (5495, 231156), (5652, 224735), (6421, 197820), (6594, 192630), (7065, 179788), (9420, 134841), (9891, 128420), (10990, 115578), (12842, 98910), (13188, 96315), (14130, 89894), (16485, 77052), (19263, 65940), (19782, 64210), (21980, 57789), (25684, 49455), (28260, 44947), (32105, 39564), (32970, 38526)]