71385120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 246781080

約数和(自身を除く): 175395960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 557, 712, 720, 801, 890, 1068, 1114, 1335, 1424, 1440, 1602, 1671, 1780, 2136, 2228, 2670, 2785, 2848, 3204, 3342, 3560, 4005, 4272, 4456, 5013, 5340, 5570, 6408, 6684, 7120, 8010, 8355, 8544, 8912, 10026, 10680, 11140, 12816, 13368, 14240, 16020, 16710, 17824, 20052, 21360, 22280, 25065, 25632, 26736, 32040, 33420, 40104, 42720, 44560, 49573, 50130, 53472, 64080, 66840, 80208, 89120, 99146, 100260, 128160, 133680, 148719, 160416, 198292, 200520, 247865, 267360, 297438, 396584, 401040, 446157, 495730, 594876, 743595, 793168, 802080, 892314, 991460, 1189752, 1487190, 1586336, 1784628, 1982920, 2230785, 2379504, 2974380, 3569256, 3965840, 4461570, 4759008, 5948760, 7138512, 7931680, 8923140, 11897520, 14277024, 17846280, 23795040, 35692560, 71385120]

約数ペア:

[(1, 71385120), (2, 35692560), (3, 23795040), (4, 17846280), (5, 14277024), (6, 11897520), (8, 8923140), (9, 7931680), (10, 7138512), (12, 5948760), (15, 4759008), (16, 4461570), (18, 3965840), (20, 3569256), (24, 2974380), (30, 2379504), (32, 2230785), (36, 1982920), (40, 1784628), (45, 1586336), (48, 1487190), (60, 1189752), (72, 991460), (80, 892314), (89, 802080), (90, 793168), (96, 743595), (120, 594876), (144, 495730), (160, 446157), (178, 401040), (180, 396584), (240, 297438), (267, 267360), (288, 247865), (356, 200520), (360, 198292), (445, 160416), (480, 148719), (534, 133680), (557, 128160), (712, 100260), (720, 99146), (801, 89120), (890, 80208), (1068, 66840), (1114, 64080), (1335, 53472), (1424, 50130), (1440, 49573), (1602, 44560), (1671, 42720), (1780, 40104), (2136, 33420), (2228, 32040), (2670, 26736), (2785, 25632), (2848, 25065), (3204, 22280), (3342, 21360), (3560, 20052), (4005, 17824), (4272, 16710), (4456, 16020), (5013, 14240), (5340, 13368), (5570, 12816), (6408, 11140), (6684, 10680), (7120, 10026), (8010, 8912), (8355, 8544)]