242457720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 767024640

約数和(自身を除く): 524566920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 107, 115, 120, 138, 184, 214, 230, 276, 321, 345, 428, 460, 535, 552, 642, 690, 821, 856, 920, 1070, 1284, 1380, 1605, 1642, 2140, 2461, 2463, 2568, 2760, 3210, 3284, 4105, 4280, 4922, 4926, 6420, 6568, 7383, 8210, 9844, 9852, 12305, 12315, 12840, 14766, 16420, 18883, 19688, 19704, 24610, 24630, 29532, 32840, 36915, 37766, 49220, 49260, 56649, 59064, 73830, 75532, 87847, 94415, 98440, 98520, 113298, 147660, 151064, 175694, 188830, 226596, 263541, 283245, 295320, 351388, 377660, 439235, 453192, 527082, 566490, 702776, 755320, 878470, 1054164, 1132980, 1317705, 1756940, 2020481, 2108328, 2265960, 2635410, 3513880, 4040962, 5270820, 6061443, 8081924, 10102405, 10541640, 12122886, 16163848, 20204810, 24245772, 30307215, 40409620, 48491544, 60614430, 80819240, 121228860, 242457720]

約数ペア:

[(1, 242457720), (2, 121228860), (3, 80819240), (4, 60614430), (5, 48491544), (6, 40409620), (8, 30307215), (10, 24245772), (12, 20204810), (15, 16163848), (20, 12122886), (23, 10541640), (24, 10102405), (30, 8081924), (40, 6061443), (46, 5270820), (60, 4040962), (69, 3513880), (92, 2635410), (107, 2265960), (115, 2108328), (120, 2020481), (138, 1756940), (184, 1317705), (214, 1132980), (230, 1054164), (276, 878470), (321, 755320), (345, 702776), (428, 566490), (460, 527082), (535, 453192), (552, 439235), (642, 377660), (690, 351388), (821, 295320), (856, 283245), (920, 263541), (1070, 226596), (1284, 188830), (1380, 175694), (1605, 151064), (1642, 147660), (2140, 113298), (2461, 98520), (2463, 98440), (2568, 94415), (2760, 87847), (3210, 75532), (3284, 73830), (4105, 59064), (4280, 56649), (4922, 49260), (4926, 49220), (6420, 37766), (6568, 36915), (7383, 32840), (8210, 29532), (9844, 24630), (9852, 24610), (12305, 19704), (12315, 19688), (12840, 18883), (14766, 16420)]