19561440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 96

約数和(自身を含む): 62487936

約数和(自身を除く): 42926496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 491, 498, 664, 830, 982, 996, 1245, 1328, 1473, 1660, 1964, 1992, 2455, 2490, 2656, 2946, 3320, 3928, 3984, 4910, 4980, 5892, 6640, 7365, 7856, 7968, 9820, 9960, 11784, 13280, 14730, 15712, 19640, 19920, 23568, 29460, 39280, 39840, 40753, 47136, 58920, 78560, 81506, 117840, 122259, 163012, 203765, 235680, 244518, 326024, 407530, 489036, 611295, 652048, 815060, 978072, 1222590, 1304096, 1630120, 1956144, 2445180, 3260240, 3912288, 4890360, 6520480, 9780720, 19561440]

約数ペア:

[(1, 19561440), (2, 9780720), (3, 6520480), (4, 4890360), (5, 3912288), (6, 3260240), (8, 2445180), (10, 1956144), (12, 1630120), (15, 1304096), (16, 1222590), (20, 978072), (24, 815060), (30, 652048), (32, 611295), (40, 489036), (48, 407530), (60, 326024), (80, 244518), (83, 235680), (96, 203765), (120, 163012), (160, 122259), (166, 117840), (240, 81506), (249, 78560), (332, 58920), (415, 47136), (480, 40753), (491, 39840), (498, 39280), (664, 29460), (830, 23568), (982, 19920), (996, 19640), (1245, 15712), (1328, 14730), (1473, 13280), (1660, 11784), (1964, 9960), (1992, 9820), (2455, 7968), (2490, 7856), (2656, 7365), (2946, 6640), (3320, 5892), (3928, 4980), (3984, 4910)]