2191815720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49499}}^1$

素因数の和:49560

約数の個数: 128

約数和(自身を含む): 7484400000

約数和(自身を除く): 5292584280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 492, 540, 615, 738, 820, 984, 1080, 1107, 1230, 1476, 1640, 1845, 2214, 2460, 2952, 3690, 4428, 4920, 5535, 7380, 8856, 11070, 14760, 22140, 44280, 49499, 98998, 148497, 197996, 247495, 296994, 395992, 445491, 494990, 593988, 742485, 890982, 989980, 1187976, 1336473, 1484970, 1781964, 1979960, 2029459, 2227455, 2672946, 2969940, 3563928, 4058918, 4454910, 5345892, 5939880, 6088377, 6682365, 8117836, 8909820, 10147295, 10691784, 12176754, 13364730, 16235672, 17819640, 18265131, 20294590, 24353508, 26729460, 30441885, 36530262, 40589180, 48707016, 53458920, 54795393, 60883770, 73060524, 81178360, 91325655, 109590786, 121767540, 146121048, 182651310, 219181572, 243535080, 273976965, 365302620, 438363144, 547953930, 730605240, 1095907860, 2191815720]

約数ペア:

[(1, 2191815720), (2, 1095907860), (3, 730605240), (4, 547953930), (5, 438363144), (6, 365302620), (8, 273976965), (9, 243535080), (10, 219181572), (12, 182651310), (15, 146121048), (18, 121767540), (20, 109590786), (24, 91325655), (27, 81178360), (30, 73060524), (36, 60883770), (40, 54795393), (41, 53458920), (45, 48707016), (54, 40589180), (60, 36530262), (72, 30441885), (82, 26729460), (90, 24353508), (108, 20294590), (120, 18265131), (123, 17819640), (135, 16235672), (164, 13364730), (180, 12176754), (205, 10691784), (216, 10147295), (246, 8909820), (270, 8117836), (328, 6682365), (360, 6088377), (369, 5939880), (410, 5345892), (492, 4454910), (540, 4058918), (615, 3563928), (738, 2969940), (820, 2672946), (984, 2227455), (1080, 2029459), (1107, 1979960), (1230, 1781964), (1476, 1484970), (1640, 1336473), (1845, 1187976), (2214, 989980), (2460, 890982), (2952, 742485), (3690, 593988), (4428, 494990), (4920, 445491), (5535, 395992), (7380, 296994), (8856, 247495), (11070, 197996), (14760, 148497), (22140, 98998), (44280, 49499)]