2422920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 7410240

約数和(自身を除く): 4987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 331, 366, 488, 610, 662, 732, 915, 993, 1220, 1324, 1464, 1655, 1830, 1986, 2440, 2648, 3310, 3660, 3972, 4965, 6620, 7320, 7944, 9930, 13240, 19860, 20191, 39720, 40382, 60573, 80764, 100955, 121146, 161528, 201910, 242292, 302865, 403820, 484584, 605730, 807640, 1211460, 2422920]

約数ペア:

[(1, 2422920), (2, 1211460), (3, 807640), (4, 605730), (5, 484584), (6, 403820), (8, 302865), (10, 242292), (12, 201910), (15, 161528), (20, 121146), (24, 100955), (30, 80764), (40, 60573), (60, 40382), (61, 39720), (120, 20191), (122, 19860), (183, 13240), (244, 9930), (305, 7944), (331, 7320), (366, 6620), (488, 4965), (610, 3972), (662, 3660), (732, 3310), (915, 2648), (993, 2440), (1220, 1986), (1324, 1830), (1464, 1655)]