205721100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5861}}^1$

素因数の和:5897

約数の個数: 144

約数和(自身を含む): 712350240

約数和(自身を除く): 506629140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 650, 675, 702, 780, 900, 975, 1170, 1300, 1350, 1404, 1755, 1950, 2340, 2700, 2925, 3510, 3900, 5850, 5861, 7020, 8775, 11700, 11722, 17550, 17583, 23444, 29305, 35100, 35166, 52749, 58610, 70332, 76193, 87915, 105498, 117220, 146525, 152386, 158247, 175830, 210996, 228579, 263745, 293050, 304772, 316494, 351660, 380965, 439575, 457158, 527490, 586100, 632988, 685737, 761930, 791235, 879150, 914316, 1054980, 1142895, 1318725, 1371474, 1523860, 1582470, 1758300, 1904825, 2057211, 2285790, 2637450, 2742948, 3164940, 3428685, 3809650, 3956175, 4114422, 4571580, 5274900, 5714475, 6857370, 7619300, 7912350, 8228844, 10286055, 11428950, 13714740, 15824700, 17143425, 20572110, 22857900, 34286850, 41144220, 51430275, 68573700, 102860550, 205721100]

約数ペア:

[(1, 205721100), (2, 102860550), (3, 68573700), (4, 51430275), (5, 41144220), (6, 34286850), (9, 22857900), (10, 20572110), (12, 17143425), (13, 15824700), (15, 13714740), (18, 11428950), (20, 10286055), (25, 8228844), (26, 7912350), (27, 7619300), (30, 6857370), (36, 5714475), (39, 5274900), (45, 4571580), (50, 4114422), (52, 3956175), (54, 3809650), (60, 3428685), (65, 3164940), (75, 2742948), (78, 2637450), (90, 2285790), (100, 2057211), (108, 1904825), (117, 1758300), (130, 1582470), (135, 1523860), (150, 1371474), (156, 1318725), (180, 1142895), (195, 1054980), (225, 914316), (234, 879150), (260, 791235), (270, 761930), (300, 685737), (325, 632988), (351, 586100), (390, 527490), (450, 457158), (468, 439575), (540, 380965), (585, 351660), (650, 316494), (675, 304772), (702, 293050), (780, 263745), (900, 228579), (975, 210996), (1170, 175830), (1300, 158247), (1350, 152386), (1404, 146525), (1755, 117220), (1950, 105498), (2340, 87915), (2700, 76193), (2925, 70332), (3510, 58610), (3900, 52749), (5850, 35166), (5861, 35100), (7020, 29305), (8775, 23444), (11700, 17583), (11722, 17550)]