745290840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28621}}^1$

素因数の和:28673

約数の個数: 128

約数和(自身を含む): 2637803520

約数和(自身を除く): 1892512680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 28621, 57242, 85863, 114484, 143105, 171726, 200347, 228968, 286210, 343452, 400694, 429315, 572420, 601041, 686904, 801388, 858630, 887251, 1001735, 1144840, 1202082, 1602776, 1717260, 1774502, 2003470, 2404164, 2661753, 3005205, 3434520, 3549004, 4006940, 4436255, 4808328, 5323506, 6010410, 6210757, 7098008, 8013880, 8872510, 10647012, 12020820, 12421514, 13308765, 17745020, 18632271, 21294024, 24041640, 24843028, 26617530, 31053785, 35490040, 37264542, 49686056, 53235060, 62107570, 74529084, 93161355, 106470120, 124215140, 149058168, 186322710, 248430280, 372645420, 745290840]

約数ペア:

[(1, 745290840), (2, 372645420), (3, 248430280), (4, 186322710), (5, 149058168), (6, 124215140), (7, 106470120), (8, 93161355), (10, 74529084), (12, 62107570), (14, 53235060), (15, 49686056), (20, 37264542), (21, 35490040), (24, 31053785), (28, 26617530), (30, 24843028), (31, 24041640), (35, 21294024), (40, 18632271), (42, 17745020), (56, 13308765), (60, 12421514), (62, 12020820), (70, 10647012), (84, 8872510), (93, 8013880), (105, 7098008), (120, 6210757), (124, 6010410), (140, 5323506), (155, 4808328), (168, 4436255), (186, 4006940), (210, 3549004), (217, 3434520), (248, 3005205), (280, 2661753), (310, 2404164), (372, 2003470), (420, 1774502), (434, 1717260), (465, 1602776), (620, 1202082), (651, 1144840), (744, 1001735), (840, 887251), (868, 858630), (930, 801388), (1085, 686904), (1240, 601041), (1302, 572420), (1736, 429315), (1860, 400694), (2170, 343452), (2604, 286210), (3255, 228968), (3720, 200347), (4340, 171726), (5208, 143105), (6510, 114484), (8680, 85863), (13020, 57242), (26040, 28621)]