42720660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 143410176

約数和(自身を除く): 100689516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 607, 612, 690, 765, 782, 828, 1020, 1035, 1173, 1214, 1380, 1530, 1564, 1821, 1955, 2070, 2346, 2428, 3035, 3060, 3519, 3642, 3910, 4140, 4692, 5463, 5865, 6070, 7038, 7284, 7820, 9105, 10319, 10926, 11730, 12140, 13961, 14076, 17595, 18210, 20638, 21852, 23460, 27315, 27922, 30957, 35190, 36420, 41276, 41883, 51595, 54630, 55844, 61914, 69805, 70380, 83766, 92871, 103190, 109260, 123828, 125649, 139610, 154785, 167532, 185742, 206380, 209415, 237337, 251298, 279220, 309570, 371484, 418830, 464355, 474674, 502596, 619140, 628245, 712011, 837660, 928710, 949348, 1186685, 1256490, 1424022, 1857420, 2136033, 2373370, 2512980, 2848044, 3560055, 4272066, 4746740, 7120110, 8544132, 10680165, 14240220, 21360330, 42720660]

約数ペア:

[(1, 42720660), (2, 21360330), (3, 14240220), (4, 10680165), (5, 8544132), (6, 7120110), (9, 4746740), (10, 4272066), (12, 3560055), (15, 2848044), (17, 2512980), (18, 2373370), (20, 2136033), (23, 1857420), (30, 1424022), (34, 1256490), (36, 1186685), (45, 949348), (46, 928710), (51, 837660), (60, 712011), (68, 628245), (69, 619140), (85, 502596), (90, 474674), (92, 464355), (102, 418830), (115, 371484), (138, 309570), (153, 279220), (170, 251298), (180, 237337), (204, 209415), (207, 206380), (230, 185742), (255, 167532), (276, 154785), (306, 139610), (340, 125649), (345, 123828), (391, 109260), (414, 103190), (460, 92871), (510, 83766), (607, 70380), (612, 69805), (690, 61914), (765, 55844), (782, 54630), (828, 51595), (1020, 41883), (1035, 41276), (1173, 36420), (1214, 35190), (1380, 30957), (1530, 27922), (1564, 27315), (1821, 23460), (1955, 21852), (2070, 20638), (2346, 18210), (2428, 17595), (3035, 14076), (3060, 13961), (3519, 12140), (3642, 11730), (3910, 10926), (4140, 10319), (4692, 9105), (5463, 7820), (5865, 7284), (6070, 7038)]