81811080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5827}}^1$

素因数の和:5860

約数の個数: 128

約数和(自身を含む): 293731200

約数和(自身を除く): 211920120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 5827, 7020, 11654, 14040, 17481, 23308, 29135, 34962, 46616, 52443, 58270, 69924, 75751, 87405, 104886, 116540, 139848, 151502, 157329, 174810, 209772, 227253, 233080, 262215, 303004, 314658, 349620, 378755, 419544, 454506, 524430, 606008, 629316, 681759, 699240, 757510, 786645, 909012, 1048860, 1136265, 1258632, 1363518, 1515020, 1573290, 1818024, 2045277, 2097720, 2272530, 2727036, 3030040, 3146580, 3408795, 4090554, 4545060, 5454072, 6293160, 6817590, 8181108, 9090120, 10226385, 13635180, 16362216, 20452770, 27270360, 40905540, 81811080]

約数ペア:

[(1, 81811080), (2, 40905540), (3, 27270360), (4, 20452770), (5, 16362216), (6, 13635180), (8, 10226385), (9, 9090120), (10, 8181108), (12, 6817590), (13, 6293160), (15, 5454072), (18, 4545060), (20, 4090554), (24, 3408795), (26, 3146580), (27, 3030040), (30, 2727036), (36, 2272530), (39, 2097720), (40, 2045277), (45, 1818024), (52, 1573290), (54, 1515020), (60, 1363518), (65, 1258632), (72, 1136265), (78, 1048860), (90, 909012), (104, 786645), (108, 757510), (117, 699240), (120, 681759), (130, 629316), (135, 606008), (156, 524430), (180, 454506), (195, 419544), (216, 378755), (234, 349620), (260, 314658), (270, 303004), (312, 262215), (351, 233080), (360, 227253), (390, 209772), (468, 174810), (520, 157329), (540, 151502), (585, 139848), (702, 116540), (780, 104886), (936, 87405), (1080, 75751), (1170, 69924), (1404, 58270), (1560, 52443), (1755, 46616), (2340, 34962), (2808, 29135), (3510, 23308), (4680, 17481), (5827, 14040), (7020, 11654)]