1777672980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17989}}^1$

素因数の和:18071

約数の個数: 120

約数和(自身を含む): 5668361160

約数和(自身を除く): 3890688180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 732, 810, 915, 1098, 1220, 1620, 1647, 1830, 2196, 2745, 3294, 3660, 4941, 5490, 6588, 8235, 9882, 10980, 16470, 17989, 19764, 24705, 32940, 35978, 49410, 53967, 71956, 89945, 98820, 107934, 161901, 179890, 215868, 269835, 323802, 359780, 485703, 539670, 647604, 809505, 971406, 1079340, 1097329, 1457109, 1619010, 1942812, 2194658, 2428515, 2914218, 3238020, 3291987, 4389316, 4857030, 5486645, 5828436, 6583974, 7285545, 9714060, 9875961, 10973290, 13167948, 14571090, 16459935, 19751922, 21946580, 29142180, 29627883, 32919870, 39503844, 49379805, 59255766, 65839740, 88883649, 98759610, 118511532, 148139415, 177767298, 197519220, 296278830, 355534596, 444418245, 592557660, 888836490, 1777672980]

約数ペア:

[(1, 1777672980), (2, 888836490), (3, 592557660), (4, 444418245), (5, 355534596), (6, 296278830), (9, 197519220), (10, 177767298), (12, 148139415), (15, 118511532), (18, 98759610), (20, 88883649), (27, 65839740), (30, 59255766), (36, 49379805), (45, 39503844), (54, 32919870), (60, 29627883), (61, 29142180), (81, 21946580), (90, 19751922), (108, 16459935), (122, 14571090), (135, 13167948), (162, 10973290), (180, 9875961), (183, 9714060), (244, 7285545), (270, 6583974), (305, 5828436), (324, 5486645), (366, 4857030), (405, 4389316), (540, 3291987), (549, 3238020), (610, 2914218), (732, 2428515), (810, 2194658), (915, 1942812), (1098, 1619010), (1220, 1457109), (1620, 1097329), (1647, 1079340), (1830, 971406), (2196, 809505), (2745, 647604), (3294, 539670), (3660, 485703), (4941, 359780), (5490, 323802), (6588, 269835), (8235, 215868), (9882, 179890), (10980, 161901), (16470, 107934), (17989, 98820), (19764, 89945), (24705, 71956), (32940, 53967), (35978, 49410)]