745020180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2311}}^1$

素因数の和:2531

約数の個数: 120

約数和(自身を含む): 2349916800

約数和(自身を除く): 1604896620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 270, 324, 398, 405, 540, 597, 796, 810, 995, 1194, 1620, 1791, 1990, 2311, 2388, 2985, 3582, 3980, 4622, 5373, 5970, 6933, 7164, 8955, 9244, 10746, 11555, 11940, 13866, 16119, 17910, 20799, 21492, 23110, 26865, 27732, 32238, 34665, 35820, 41598, 46220, 53730, 62397, 64476, 69330, 80595, 83196, 103995, 107460, 124794, 138660, 161190, 187191, 207990, 249588, 311985, 322380, 374382, 415980, 459889, 623970, 748764, 919778, 935955, 1247940, 1379667, 1839556, 1871910, 2299445, 2759334, 3743820, 4139001, 4598890, 5518668, 6898335, 8278002, 9197780, 12417003, 13796670, 16556004, 20695005, 24834006, 27593340, 37251009, 41390010, 49668012, 62085015, 74502018, 82780020, 124170030, 149004036, 186255045, 248340060, 372510090, 745020180]

約数ペア:

[(1, 745020180), (2, 372510090), (3, 248340060), (4, 186255045), (5, 149004036), (6, 124170030), (9, 82780020), (10, 74502018), (12, 62085015), (15, 49668012), (18, 41390010), (20, 37251009), (27, 27593340), (30, 24834006), (36, 20695005), (45, 16556004), (54, 13796670), (60, 12417003), (81, 9197780), (90, 8278002), (108, 6898335), (135, 5518668), (162, 4598890), (180, 4139001), (199, 3743820), (270, 2759334), (324, 2299445), (398, 1871910), (405, 1839556), (540, 1379667), (597, 1247940), (796, 935955), (810, 919778), (995, 748764), (1194, 623970), (1620, 459889), (1791, 415980), (1990, 374382), (2311, 322380), (2388, 311985), (2985, 249588), (3582, 207990), (3980, 187191), (4622, 161190), (5373, 138660), (5970, 124794), (6933, 107460), (7164, 103995), (8955, 83196), (9244, 80595), (10746, 69330), (11555, 64476), (11940, 62397), (13866, 53730), (16119, 46220), (17910, 41598), (20799, 35820), (21492, 34665), (23110, 32238), (26865, 27732)]