490728840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{797}}^1$

素因数の和:1551

約数の個数: 128

約数和(自身を含む): 1686908160

約数和(自身を除く): 1196179320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 733, 797, 840, 1466, 1594, 2199, 2391, 2932, 3188, 3665, 3985, 4398, 4782, 5131, 5579, 5864, 6376, 7330, 7970, 8796, 9564, 10262, 10995, 11158, 11955, 14660, 15393, 15940, 16737, 17592, 19128, 20524, 21990, 22316, 23910, 25655, 27895, 29320, 30786, 31880, 33474, 41048, 43980, 44632, 47820, 51310, 55790, 61572, 66948, 76965, 83685, 87960, 95640, 102620, 111580, 123144, 133896, 153930, 167370, 205240, 223160, 307860, 334740, 584201, 615720, 669480, 1168402, 1752603, 2336804, 2921005, 3505206, 4089407, 4673608, 5842010, 7010412, 8178814, 8763015, 11684020, 12268221, 14020824, 16357628, 17526030, 20447035, 23368040, 24536442, 32715256, 35052060, 40894070, 49072884, 61341105, 70104120, 81788140, 98145768, 122682210, 163576280, 245364420, 490728840]

約数ペア:

[(1, 490728840), (2, 245364420), (3, 163576280), (4, 122682210), (5, 98145768), (6, 81788140), (7, 70104120), (8, 61341105), (10, 49072884), (12, 40894070), (14, 35052060), (15, 32715256), (20, 24536442), (21, 23368040), (24, 20447035), (28, 17526030), (30, 16357628), (35, 14020824), (40, 12268221), (42, 11684020), (56, 8763015), (60, 8178814), (70, 7010412), (84, 5842010), (105, 4673608), (120, 4089407), (140, 3505206), (168, 2921005), (210, 2336804), (280, 1752603), (420, 1168402), (733, 669480), (797, 615720), (840, 584201), (1466, 334740), (1594, 307860), (2199, 223160), (2391, 205240), (2932, 167370), (3188, 153930), (3665, 133896), (3985, 123144), (4398, 111580), (4782, 102620), (5131, 95640), (5579, 87960), (5864, 83685), (6376, 76965), (7330, 66948), (7970, 61572), (8796, 55790), (9564, 51310), (10262, 47820), (10995, 44632), (11158, 43980), (11955, 41048), (14660, 33474), (15393, 31880), (15940, 30786), (16737, 29320), (17592, 27895), (19128, 25655), (20524, 23910), (21990, 22316)]