18278040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 61067520

約数和(自身を除く): 42789480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 227, 244, 264, 305, 330, 366, 440, 454, 488, 610, 660, 671, 681, 732, 908, 915, 1135, 1220, 1320, 1342, 1362, 1464, 1816, 1830, 2013, 2270, 2440, 2497, 2684, 2724, 3355, 3405, 3660, 4026, 4540, 4994, 5368, 5448, 6710, 6810, 7320, 7491, 8052, 9080, 9988, 10065, 12485, 13420, 13620, 13847, 14982, 16104, 19976, 20130, 24970, 26840, 27240, 27694, 29964, 37455, 40260, 41541, 49940, 55388, 59928, 69235, 74910, 80520, 83082, 99880, 110776, 138470, 149820, 152317, 166164, 207705, 276940, 299640, 304634, 332328, 415410, 456951, 553880, 609268, 761585, 830820, 913902, 1218536, 1523170, 1661640, 1827804, 2284755, 3046340, 3655608, 4569510, 6092680, 9139020, 18278040]

約数ペア:

[(1, 18278040), (2, 9139020), (3, 6092680), (4, 4569510), (5, 3655608), (6, 3046340), (8, 2284755), (10, 1827804), (11, 1661640), (12, 1523170), (15, 1218536), (20, 913902), (22, 830820), (24, 761585), (30, 609268), (33, 553880), (40, 456951), (44, 415410), (55, 332328), (60, 304634), (61, 299640), (66, 276940), (88, 207705), (110, 166164), (120, 152317), (122, 149820), (132, 138470), (165, 110776), (183, 99880), (220, 83082), (227, 80520), (244, 74910), (264, 69235), (305, 59928), (330, 55388), (366, 49940), (440, 41541), (454, 40260), (488, 37455), (610, 29964), (660, 27694), (671, 27240), (681, 26840), (732, 24970), (908, 20130), (915, 19976), (1135, 16104), (1220, 14982), (1320, 13847), (1342, 13620), (1362, 13420), (1464, 12485), (1816, 10065), (1830, 9988), (2013, 9080), (2270, 8052), (2440, 7491), (2497, 7320), (2684, 6810), (2724, 6710), (3355, 5448), (3405, 5368), (3660, 4994), (4026, 4540)]