726719980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1332

約数の個数: 144

約数和(自身を含む): 1930521600

約数和(自身を除く): 1203801620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 980, 1085, 1178, 1259, 1330, 1519, 1862, 2170, 2356, 2518, 2660, 2945, 3038, 3724, 4123, 4340, 4655, 5036, 5890, 6076, 6295, 7595, 8246, 8813, 9310, 11780, 12590, 15190, 16492, 17626, 18620, 20615, 23921, 25180, 28861, 30380, 35252, 39029, 41230, 44065, 47842, 57722, 61691, 78058, 82460, 88130, 95684, 115444, 119605, 123382, 144305, 156116, 167447, 176260, 195145, 239210, 246764, 273203, 288610, 308455, 334894, 390290, 478420, 546406, 577220, 616910, 669788, 741551, 780580, 837235, 1092812, 1172129, 1233820, 1366015, 1483102, 1674470, 1912421, 2344258, 2732030, 2966204, 3348940, 3707755, 3824842, 4688516, 5190857, 5464060, 5860645, 7415510, 7649684, 9562105, 10381714, 11721290, 14831020, 19124210, 20763428, 23442580, 25954285, 36335999, 38248420, 51908570, 72671998, 103817140, 145343996, 181679995, 363359990, 726719980]

約数ペア:

[(1, 726719980), (2, 363359990), (4, 181679995), (5, 145343996), (7, 103817140), (10, 72671998), (14, 51908570), (19, 38248420), (20, 36335999), (28, 25954285), (31, 23442580), (35, 20763428), (38, 19124210), (49, 14831020), (62, 11721290), (70, 10381714), (76, 9562105), (95, 7649684), (98, 7415510), (124, 5860645), (133, 5464060), (140, 5190857), (155, 4688516), (190, 3824842), (196, 3707755), (217, 3348940), (245, 2966204), (266, 2732030), (310, 2344258), (380, 1912421), (434, 1674470), (490, 1483102), (532, 1366015), (589, 1233820), (620, 1172129), (665, 1092812), (868, 837235), (931, 780580), (980, 741551), (1085, 669788), (1178, 616910), (1259, 577220), (1330, 546406), (1519, 478420), (1862, 390290), (2170, 334894), (2356, 308455), (2518, 288610), (2660, 273203), (2945, 246764), (3038, 239210), (3724, 195145), (4123, 176260), (4340, 167447), (4655, 156116), (5036, 144305), (5890, 123382), (6076, 119605), (6295, 115444), (7595, 95684), (8246, 88130), (8813, 82460), (9310, 78058), (11780, 61691), (12590, 57722), (15190, 47842), (16492, 44065), (17626, 41230), (18620, 39029), (20615, 35252), (23921, 30380), (25180, 28861)]