123235320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 401163840

約数和(自身を除く): 277928520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 401, 520, 591, 780, 788, 802, 985, 1182, 1203, 1560, 1576, 1604, 1970, 2005, 2364, 2406, 2561, 2955, 3208, 3940, 4010, 4728, 4812, 5122, 5213, 5910, 6015, 7683, 7880, 8020, 9624, 10244, 10426, 11820, 12030, 12805, 15366, 15639, 16040, 20488, 20852, 23640, 24060, 25610, 26065, 30732, 31278, 38415, 41704, 48120, 51220, 52130, 61464, 62556, 76830, 78195, 78997, 102440, 104260, 125112, 153660, 156390, 157994, 208520, 236991, 307320, 312780, 315988, 394985, 473982, 625560, 631976, 789970, 947964, 1026961, 1184955, 1579940, 1895928, 2053922, 2369910, 3080883, 3159880, 4107844, 4739820, 5134805, 6161766, 8215688, 9479640, 10269610, 12323532, 15404415, 20539220, 24647064, 30808830, 41078440, 61617660, 123235320]

約数ペア:

[(1, 123235320), (2, 61617660), (3, 41078440), (4, 30808830), (5, 24647064), (6, 20539220), (8, 15404415), (10, 12323532), (12, 10269610), (13, 9479640), (15, 8215688), (20, 6161766), (24, 5134805), (26, 4739820), (30, 4107844), (39, 3159880), (40, 3080883), (52, 2369910), (60, 2053922), (65, 1895928), (78, 1579940), (104, 1184955), (120, 1026961), (130, 947964), (156, 789970), (195, 631976), (197, 625560), (260, 473982), (312, 394985), (390, 315988), (394, 312780), (401, 307320), (520, 236991), (591, 208520), (780, 157994), (788, 156390), (802, 153660), (985, 125112), (1182, 104260), (1203, 102440), (1560, 78997), (1576, 78195), (1604, 76830), (1970, 62556), (2005, 61464), (2364, 52130), (2406, 51220), (2561, 48120), (2955, 41704), (3208, 38415), (3940, 31278), (4010, 30732), (4728, 26065), (4812, 25610), (5122, 24060), (5213, 23640), (5910, 20852), (6015, 20488), (7683, 16040), (7880, 15639), (8020, 15366), (9624, 12805), (10244, 12030), (10426, 11820)]