28726920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 97430400

約数和(自身を除く): 68703480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 397, 402, 536, 540, 603, 670, 794, 804, 1005, 1080, 1191, 1206, 1340, 1588, 1608, 1809, 1985, 2010, 2382, 2412, 2680, 3015, 3176, 3573, 3618, 3970, 4020, 4764, 4824, 5955, 6030, 7146, 7236, 7940, 8040, 9045, 9528, 10719, 11910, 12060, 14292, 14472, 15880, 17865, 18090, 21438, 23820, 24120, 26599, 28584, 35730, 36180, 42876, 47640, 53198, 53595, 71460, 72360, 79797, 85752, 106396, 107190, 132995, 142920, 159594, 212792, 214380, 239391, 265990, 319188, 398985, 428760, 478782, 531980, 638376, 718173, 797970, 957564, 1063960, 1196955, 1436346, 1595940, 1915128, 2393910, 2872692, 3191880, 3590865, 4787820, 5745384, 7181730, 9575640, 14363460, 28726920]

約数ペア:

[(1, 28726920), (2, 14363460), (3, 9575640), (4, 7181730), (5, 5745384), (6, 4787820), (8, 3590865), (9, 3191880), (10, 2872692), (12, 2393910), (15, 1915128), (18, 1595940), (20, 1436346), (24, 1196955), (27, 1063960), (30, 957564), (36, 797970), (40, 718173), (45, 638376), (54, 531980), (60, 478782), (67, 428760), (72, 398985), (90, 319188), (108, 265990), (120, 239391), (134, 214380), (135, 212792), (180, 159594), (201, 142920), (216, 132995), (268, 107190), (270, 106396), (335, 85752), (360, 79797), (397, 72360), (402, 71460), (536, 53595), (540, 53198), (603, 47640), (670, 42876), (794, 36180), (804, 35730), (1005, 28584), (1080, 26599), (1191, 24120), (1206, 23820), (1340, 21438), (1588, 18090), (1608, 17865), (1809, 15880), (1985, 14472), (2010, 14292), (2382, 12060), (2412, 11910), (2680, 10719), (3015, 9528), (3176, 9045), (3573, 8040), (3618, 7940), (3970, 7236), (4020, 7146), (4764, 6030), (4824, 5955)]