205045320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 632966400

約数和(自身を除く): 427921080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 89, 120, 146, 178, 219, 263, 267, 292, 356, 365, 438, 445, 526, 534, 584, 712, 730, 789, 876, 890, 1052, 1068, 1095, 1315, 1335, 1460, 1578, 1752, 1780, 2104, 2136, 2190, 2630, 2670, 2920, 3156, 3560, 3945, 4380, 5260, 5340, 6312, 6497, 7890, 8760, 10520, 10680, 12994, 15780, 19199, 19491, 23407, 25988, 31560, 32485, 38398, 38982, 46814, 51976, 57597, 64970, 70221, 76796, 77964, 93628, 95995, 97455, 115194, 117035, 129940, 140442, 153592, 155928, 187256, 191990, 194910, 230388, 234070, 259880, 280884, 287985, 351105, 383980, 389820, 460776, 468140, 561768, 575970, 702210, 767960, 779640, 936280, 1151940, 1404420, 1708711, 2303880, 2808840, 3417422, 5126133, 6834844, 8543555, 10252266, 13669688, 17087110, 20504532, 25630665, 34174220, 41009064, 51261330, 68348440, 102522660, 205045320]

約数ペア:

[(1, 205045320), (2, 102522660), (3, 68348440), (4, 51261330), (5, 41009064), (6, 34174220), (8, 25630665), (10, 20504532), (12, 17087110), (15, 13669688), (20, 10252266), (24, 8543555), (30, 6834844), (40, 5126133), (60, 3417422), (73, 2808840), (89, 2303880), (120, 1708711), (146, 1404420), (178, 1151940), (219, 936280), (263, 779640), (267, 767960), (292, 702210), (356, 575970), (365, 561768), (438, 468140), (445, 460776), (526, 389820), (534, 383980), (584, 351105), (712, 287985), (730, 280884), (789, 259880), (876, 234070), (890, 230388), (1052, 194910), (1068, 191990), (1095, 187256), (1315, 155928), (1335, 153592), (1460, 140442), (1578, 129940), (1752, 117035), (1780, 115194), (2104, 97455), (2136, 95995), (2190, 93628), (2630, 77964), (2670, 76796), (2920, 70221), (3156, 64970), (3560, 57597), (3945, 51976), (4380, 46814), (5260, 38982), (5340, 38398), (6312, 32485), (6497, 31560), (7890, 25988), (8760, 23407), (10520, 19491), (10680, 19199), (12994, 15780)]