2155490040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{9439}}^1$

素因数の和:9637

約数の個数: 128

約数和(自身を含む): 7095859200

約数和(自身を除く): 4940369160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 173, 220, 264, 330, 346, 440, 519, 660, 692, 865, 1038, 1320, 1384, 1730, 1903, 2076, 2595, 3460, 3806, 4152, 5190, 5709, 6920, 7612, 9439, 9515, 10380, 11418, 15224, 18878, 19030, 20760, 22836, 28317, 28545, 37756, 38060, 45672, 47195, 56634, 57090, 75512, 76120, 94390, 103829, 113268, 114180, 141585, 188780, 207658, 226536, 228360, 283170, 311487, 377560, 415316, 519145, 566340, 622974, 830632, 1038290, 1132680, 1245948, 1557435, 1632947, 2076580, 2491896, 3114870, 3265894, 4153160, 4898841, 6229740, 6531788, 8164735, 9797682, 12459480, 13063576, 16329470, 17962417, 19595364, 24494205, 32658940, 35924834, 39190728, 48988410, 53887251, 65317880, 71849668, 89812085, 97976820, 107774502, 143699336, 179624170, 195953640, 215549004, 269436255, 359248340, 431098008, 538872510, 718496680, 1077745020, 2155490040]

約数ペア:

[(1, 2155490040), (2, 1077745020), (3, 718496680), (4, 538872510), (5, 431098008), (6, 359248340), (8, 269436255), (10, 215549004), (11, 195953640), (12, 179624170), (15, 143699336), (20, 107774502), (22, 97976820), (24, 89812085), (30, 71849668), (33, 65317880), (40, 53887251), (44, 48988410), (55, 39190728), (60, 35924834), (66, 32658940), (88, 24494205), (110, 19595364), (120, 17962417), (132, 16329470), (165, 13063576), (173, 12459480), (220, 9797682), (264, 8164735), (330, 6531788), (346, 6229740), (440, 4898841), (519, 4153160), (660, 3265894), (692, 3114870), (865, 2491896), (1038, 2076580), (1320, 1632947), (1384, 1557435), (1730, 1245948), (1903, 1132680), (2076, 1038290), (2595, 830632), (3460, 622974), (3806, 566340), (4152, 519145), (5190, 415316), (5709, 377560), (6920, 311487), (7612, 283170), (9439, 228360), (9515, 226536), (10380, 207658), (11418, 188780), (15224, 141585), (18878, 114180), (19030, 113268), (20760, 103829), (22836, 94390), (28317, 76120), (28545, 75512), (37756, 57090), (38060, 56634), (45672, 47195)]