1520451730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:764

約数の個数: 128

約数和(自身を含む): 3435540480

約数和(自身を除く): 1915088750

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 37, 58, 62, 70, 74, 145, 155, 185, 203, 217, 259, 290, 310, 370, 406, 434, 518, 653, 899, 1015, 1073, 1085, 1147, 1295, 1306, 1798, 2030, 2146, 2170, 2294, 2590, 3265, 4495, 4571, 5365, 5735, 6293, 6530, 7511, 8029, 8990, 9142, 10730, 11470, 12586, 15022, 16058, 18937, 20243, 22855, 24161, 31465, 33263, 37555, 37874, 40145, 40486, 45710, 48322, 62930, 66526, 75110, 80290, 94685, 101215, 120805, 132559, 141701, 166315, 169127, 189370, 202430, 232841, 241610, 265118, 283402, 332630, 338254, 465682, 587047, 662795, 700669, 708505, 748991, 845635, 1164205, 1174094, 1325590, 1401338, 1417010, 1497982, 1691270, 2328410, 2935235, 3503345, 3744955, 4109329, 4904683, 5242937, 5870470, 7006690, 7489910, 8218658, 9809366, 10485874, 20546645, 21720739, 24523415, 26214685, 41093290, 43441478, 49046830, 52429370, 108603695, 152045173, 217207390, 304090346, 760225865, 1520451730]

約数ペア:

[(1, 1520451730), (2, 760225865), (5, 304090346), (7, 217207390), (10, 152045173), (14, 108603695), (29, 52429370), (31, 49046830), (35, 43441478), (37, 41093290), (58, 26214685), (62, 24523415), (70, 21720739), (74, 20546645), (145, 10485874), (155, 9809366), (185, 8218658), (203, 7489910), (217, 7006690), (259, 5870470), (290, 5242937), (310, 4904683), (370, 4109329), (406, 3744955), (434, 3503345), (518, 2935235), (653, 2328410), (899, 1691270), (1015, 1497982), (1073, 1417010), (1085, 1401338), (1147, 1325590), (1295, 1174094), (1306, 1164205), (1798, 845635), (2030, 748991), (2146, 708505), (2170, 700669), (2294, 662795), (2590, 587047), (3265, 465682), (4495, 338254), (4571, 332630), (5365, 283402), (5735, 265118), (6293, 241610), (6530, 232841), (7511, 202430), (8029, 189370), (8990, 169127), (9142, 166315), (10730, 141701), (11470, 132559), (12586, 120805), (15022, 101215), (16058, 94685), (18937, 80290), (20243, 75110), (22855, 66526), (24161, 62930), (31465, 48322), (33263, 45710), (37555, 40486), (37874, 40145)]