128894940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 406879200

約数和(自身を除く): 277984260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 59, 60, 90, 106, 118, 159, 177, 180, 212, 229, 236, 265, 295, 318, 354, 458, 477, 530, 531, 590, 636, 687, 708, 795, 885, 916, 954, 1060, 1062, 1145, 1180, 1374, 1590, 1770, 1908, 2061, 2124, 2290, 2385, 2655, 2748, 3127, 3180, 3435, 3540, 4122, 4580, 4770, 5310, 6254, 6870, 8244, 9381, 9540, 10305, 10620, 12137, 12508, 13511, 13740, 15635, 18762, 20610, 24274, 27022, 28143, 31270, 36411, 37524, 40533, 41220, 46905, 48548, 54044, 56286, 60685, 62540, 67555, 72822, 81066, 93810, 109233, 112572, 121370, 121599, 135110, 140715, 145644, 162132, 182055, 187620, 202665, 218466, 242740, 243198, 270220, 281430, 364110, 405330, 436932, 486396, 546165, 562860, 607995, 716083, 728220, 810660, 1092330, 1215990, 1432166, 2148249, 2184660, 2431980, 2864332, 3580415, 4296498, 6444747, 7160830, 8592996, 10741245, 12889494, 14321660, 21482490, 25778988, 32223735, 42964980, 64447470, 128894940]

約数ペア:

[(1, 128894940), (2, 64447470), (3, 42964980), (4, 32223735), (5, 25778988), (6, 21482490), (9, 14321660), (10, 12889494), (12, 10741245), (15, 8592996), (18, 7160830), (20, 6444747), (30, 4296498), (36, 3580415), (45, 2864332), (53, 2431980), (59, 2184660), (60, 2148249), (90, 1432166), (106, 1215990), (118, 1092330), (159, 810660), (177, 728220), (180, 716083), (212, 607995), (229, 562860), (236, 546165), (265, 486396), (295, 436932), (318, 405330), (354, 364110), (458, 281430), (477, 270220), (530, 243198), (531, 242740), (590, 218466), (636, 202665), (687, 187620), (708, 182055), (795, 162132), (885, 145644), (916, 140715), (954, 135110), (1060, 121599), (1062, 121370), (1145, 112572), (1180, 109233), (1374, 93810), (1590, 81066), (1770, 72822), (1908, 67555), (2061, 62540), (2124, 60685), (2290, 56286), (2385, 54044), (2655, 48548), (2748, 46905), (3127, 41220), (3180, 40533), (3435, 37524), (3540, 36411), (4122, 31270), (4580, 28143), (4770, 27022), (5310, 24274), (6254, 20610), (6870, 18762), (8244, 15635), (9381, 13740), (9540, 13511), (10305, 12508), (10620, 12137)]