67212880640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{10789}}^1$

素因数の和:10998

約数の個数: 144

約数和(自身を含む): 167263299840

約数和(自身を除く): 100050419200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 157, 160, 248, 256, 310, 314, 320, 496, 620, 628, 640, 785, 992, 1240, 1256, 1280, 1570, 1984, 2480, 2512, 3140, 3968, 4867, 4960, 5024, 6280, 7936, 9734, 9920, 10048, 10789, 12560, 19468, 19840, 20096, 21578, 24335, 25120, 38936, 39680, 40192, 43156, 48670, 50240, 53945, 77872, 86312, 97340, 100480, 107890, 155744, 172624, 194680, 200960, 215780, 311488, 334459, 345248, 389360, 431560, 622976, 668918, 690496, 778720, 863120, 1245952, 1337836, 1380992, 1557440, 1672295, 1693873, 1726240, 2675672, 2761984, 3114880, 3344590, 3387746, 3452480, 5351344, 6229760, 6689180, 6775492, 6904960, 8469365, 10702688, 13378360, 13550984, 13809920, 16938730, 21405376, 26756720, 27101968, 33877460, 42810752, 52510063, 53513440, 54203936, 67754920, 85621504, 105020126, 107026880, 108407872, 135509840, 210040252, 214053760, 216815744, 262550315, 271019680, 420080504, 428107520, 433631488, 525100630, 542039360, 840161008, 1050201260, 1084078720, 1680322016, 2100402520, 2168157440, 3360644032, 4200805040, 6721288064, 8401610080, 13442576128, 16803220160, 33606440320, 67212880640]

約数ペア:

[(1, 67212880640), (2, 33606440320), (4, 16803220160), (5, 13442576128), (8, 8401610080), (10, 6721288064), (16, 4200805040), (20, 3360644032), (31, 2168157440), (32, 2100402520), (40, 1680322016), (62, 1084078720), (64, 1050201260), (80, 840161008), (124, 542039360), (128, 525100630), (155, 433631488), (157, 428107520), (160, 420080504), (248, 271019680), (256, 262550315), (310, 216815744), (314, 214053760), (320, 210040252), (496, 135509840), (620, 108407872), (628, 107026880), (640, 105020126), (785, 85621504), (992, 67754920), (1240, 54203936), (1256, 53513440), (1280, 52510063), (1570, 42810752), (1984, 33877460), (2480, 27101968), (2512, 26756720), (3140, 21405376), (3968, 16938730), (4867, 13809920), (4960, 13550984), (5024, 13378360), (6280, 10702688), (7936, 8469365), (9734, 6904960), (9920, 6775492), (10048, 6689180), (10789, 6229760), (12560, 5351344), (19468, 3452480), (19840, 3387746), (20096, 3344590), (21578, 3114880), (24335, 2761984), (25120, 2675672), (38936, 1726240), (39680, 1693873), (40192, 1672295), (43156, 1557440), (48670, 1380992), (50240, 1337836), (53945, 1245952), (77872, 863120), (86312, 778720), (97340, 690496), (100480, 668918), (107890, 622976), (155744, 431560), (172624, 389360), (194680, 345248), (200960, 334459), (215780, 311488)]