19743120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1649

約数の個数: 120

約数和(自身を含む): 70247736

約数和(自身を除く): 50504616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 1613, 2040, 2448, 3060, 3226, 4080, 4839, 6120, 6452, 8065, 9678, 12240, 12904, 14517, 16130, 19356, 24195, 25808, 27421, 29034, 32260, 38712, 48390, 54842, 58068, 64520, 72585, 77424, 82263, 96780, 109684, 116136, 129040, 137105, 145170, 164526, 193560, 219368, 232272, 246789, 274210, 290340, 329052, 387120, 411315, 438736, 493578, 548420, 580680, 658104, 822630, 987156, 1096840, 1161360, 1233945, 1316208, 1645260, 1974312, 2193680, 2467890, 3290520, 3948624, 4935780, 6581040, 9871560, 19743120]

約数ペア:

[(1, 19743120), (2, 9871560), (3, 6581040), (4, 4935780), (5, 3948624), (6, 3290520), (8, 2467890), (9, 2193680), (10, 1974312), (12, 1645260), (15, 1316208), (16, 1233945), (17, 1161360), (18, 1096840), (20, 987156), (24, 822630), (30, 658104), (34, 580680), (36, 548420), (40, 493578), (45, 438736), (48, 411315), (51, 387120), (60, 329052), (68, 290340), (72, 274210), (80, 246789), (85, 232272), (90, 219368), (102, 193560), (120, 164526), (136, 145170), (144, 137105), (153, 129040), (170, 116136), (180, 109684), (204, 96780), (240, 82263), (255, 77424), (272, 72585), (306, 64520), (340, 58068), (360, 54842), (408, 48390), (510, 38712), (612, 32260), (680, 29034), (720, 27421), (765, 25808), (816, 24195), (1020, 19356), (1224, 16130), (1360, 14517), (1530, 12904), (1613, 12240), (2040, 9678), (2448, 8065), (3060, 6452), (3226, 6120), (4080, 4839)]