194576460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 609960960

約数和(自身を除く): 415384500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 619, 620, 676, 780, 806, 845, 930, 1014, 1209, 1238, 1612, 1690, 1857, 1860, 2015, 2028, 2418, 2476, 2535, 3095, 3380, 3714, 4030, 4836, 5070, 5239, 6045, 6190, 7428, 8047, 8060, 9285, 10140, 10478, 12090, 12380, 15717, 16094, 18570, 19189, 20956, 24141, 24180, 26195, 31434, 32188, 37140, 38378, 40235, 48282, 52390, 57567, 62868, 76756, 78585, 80470, 95945, 96564, 104611, 104780, 115134, 120705, 157170, 160940, 191890, 209222, 230268, 241410, 249457, 287835, 313833, 314340, 383780, 418444, 482820, 498914, 523055, 575670, 627666, 748371, 997828, 1046110, 1151340, 1247285, 1255332, 1496742, 1569165, 2092220, 2494570, 2993484, 3138330, 3242941, 3741855, 4989140, 6276660, 6485882, 7483710, 9728823, 12971764, 14967420, 16214705, 19457646, 32429410, 38915292, 48644115, 64858820, 97288230, 194576460]

約数ペア:

[(1, 194576460), (2, 97288230), (3, 64858820), (4, 48644115), (5, 38915292), (6, 32429410), (10, 19457646), (12, 16214705), (13, 14967420), (15, 12971764), (20, 9728823), (26, 7483710), (30, 6485882), (31, 6276660), (39, 4989140), (52, 3741855), (60, 3242941), (62, 3138330), (65, 2993484), (78, 2494570), (93, 2092220), (124, 1569165), (130, 1496742), (155, 1255332), (156, 1247285), (169, 1151340), (186, 1046110), (195, 997828), (260, 748371), (310, 627666), (338, 575670), (372, 523055), (390, 498914), (403, 482820), (465, 418444), (507, 383780), (619, 314340), (620, 313833), (676, 287835), (780, 249457), (806, 241410), (845, 230268), (930, 209222), (1014, 191890), (1209, 160940), (1238, 157170), (1612, 120705), (1690, 115134), (1857, 104780), (1860, 104611), (2015, 96564), (2028, 95945), (2418, 80470), (2476, 78585), (2535, 76756), (3095, 62868), (3380, 57567), (3714, 52390), (4030, 48282), (4836, 40235), (5070, 38378), (5239, 37140), (6045, 32188), (6190, 31434), (7428, 26195), (8047, 24180), (8060, 24141), (9285, 20956), (10140, 19189), (10478, 18570), (12090, 16094), (12380, 15717)]