1489655440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{204623}}^1$

素因数の和:204656

約数の個数: 80

約数和(自身を含む): 4262727168

約数和(自身を除く): 2773071728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 204623, 409246, 818492, 1023115, 1432361, 1636984, 2046230, 2660099, 2864722, 3273968, 4092460, 5320198, 5729444, 7161805, 8184920, 10640396, 11458888, 13300495, 14323610, 16369840, 18620693, 21280792, 22917776, 26600990, 28647220, 37241386, 42561584, 53201980, 57294440, 74482772, 93103465, 106403960, 114588880, 148965544, 186206930, 212807920, 297931088, 372413860, 744827720, 1489655440]

約数ペア:

[(1, 1489655440), (2, 744827720), (4, 372413860), (5, 297931088), (7, 212807920), (8, 186206930), (10, 148965544), (13, 114588880), (14, 106403960), (16, 93103465), (20, 74482772), (26, 57294440), (28, 53201980), (35, 42561584), (40, 37241386), (52, 28647220), (56, 26600990), (65, 22917776), (70, 21280792), (80, 18620693), (91, 16369840), (104, 14323610), (112, 13300495), (130, 11458888), (140, 10640396), (182, 8184920), (208, 7161805), (260, 5729444), (280, 5320198), (364, 4092460), (455, 3273968), (520, 2864722), (560, 2660099), (728, 2046230), (910, 1636984), (1040, 1432361), (1456, 1023115), (1820, 818492), (3640, 409246), (7280, 204623)]