780830460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1260

約数の個数: 144

約数和(自身を含む): 2506576800

約数和(自身を除く): 1725746340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 229, 285, 342, 380, 458, 570, 684, 687, 855, 916, 997, 1140, 1145, 1374, 1710, 1994, 2061, 2290, 2748, 2991, 3420, 3435, 3988, 4122, 4351, 4580, 4985, 5982, 6870, 8244, 8702, 8973, 9970, 10305, 11964, 13053, 13740, 14955, 17404, 17946, 18943, 19940, 20610, 21755, 26106, 29910, 35892, 37886, 39159, 41220, 43510, 44865, 52212, 56829, 59820, 65265, 75772, 78318, 87020, 89730, 94715, 113658, 130530, 156636, 170487, 179460, 189430, 195795, 227316, 228313, 261060, 284145, 340974, 378860, 391590, 456626, 568290, 681948, 684939, 783180, 852435, 913252, 1136580, 1141565, 1369878, 1704870, 2054817, 2283130, 2739756, 3409740, 3424695, 4109634, 4337947, 4566260, 6849390, 8219268, 8675894, 10274085, 13013841, 13698780, 17351788, 20548170, 21689735, 26027682, 39041523, 41096340, 43379470, 52055364, 65069205, 78083046, 86758940, 130138410, 156166092, 195207615, 260276820, 390415230, 780830460]

約数ペア:

[(1, 780830460), (2, 390415230), (3, 260276820), (4, 195207615), (5, 156166092), (6, 130138410), (9, 86758940), (10, 78083046), (12, 65069205), (15, 52055364), (18, 43379470), (19, 41096340), (20, 39041523), (30, 26027682), (36, 21689735), (38, 20548170), (45, 17351788), (57, 13698780), (60, 13013841), (76, 10274085), (90, 8675894), (95, 8219268), (114, 6849390), (171, 4566260), (180, 4337947), (190, 4109634), (228, 3424695), (229, 3409740), (285, 2739756), (342, 2283130), (380, 2054817), (458, 1704870), (570, 1369878), (684, 1141565), (687, 1136580), (855, 913252), (916, 852435), (997, 783180), (1140, 684939), (1145, 681948), (1374, 568290), (1710, 456626), (1994, 391590), (2061, 378860), (2290, 340974), (2748, 284145), (2991, 261060), (3420, 228313), (3435, 227316), (3988, 195795), (4122, 189430), (4351, 179460), (4580, 170487), (4985, 156636), (5982, 130530), (6870, 113658), (8244, 94715), (8702, 89730), (8973, 87020), (9970, 78318), (10305, 75772), (11964, 65265), (13053, 59820), (13740, 56829), (14955, 52212), (17404, 44865), (17946, 43510), (18943, 41220), (19940, 39159), (20610, 37886), (21755, 35892), (26106, 29910)]