18864120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 45002760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 461, 465, 620, 660, 682, 744, 922, 930, 1023, 1240, 1320, 1364, 1383, 1705, 1844, 1860, 2046, 2305, 2728, 2766, 3410, 3688, 3720, 4092, 4610, 5071, 5115, 5532, 6820, 6915, 8184, 9220, 10142, 10230, 11064, 13640, 13830, 14291, 15213, 18440, 20284, 20460, 25355, 27660, 28582, 30426, 40568, 40920, 42873, 50710, 55320, 57164, 60852, 71455, 76065, 85746, 101420, 114328, 121704, 142910, 152130, 157201, 171492, 202840, 214365, 285820, 304260, 314402, 342984, 428730, 471603, 571640, 608520, 628804, 786005, 857460, 943206, 1257608, 1572010, 1714920, 1886412, 2358015, 3144020, 3772824, 4716030, 6288040, 9432060, 18864120]

約数ペア:

[(1, 18864120), (2, 9432060), (3, 6288040), (4, 4716030), (5, 3772824), (6, 3144020), (8, 2358015), (10, 1886412), (11, 1714920), (12, 1572010), (15, 1257608), (20, 943206), (22, 857460), (24, 786005), (30, 628804), (31, 608520), (33, 571640), (40, 471603), (44, 428730), (55, 342984), (60, 314402), (62, 304260), (66, 285820), (88, 214365), (93, 202840), (110, 171492), (120, 157201), (124, 152130), (132, 142910), (155, 121704), (165, 114328), (186, 101420), (220, 85746), (248, 76065), (264, 71455), (310, 60852), (330, 57164), (341, 55320), (372, 50710), (440, 42873), (461, 40920), (465, 40568), (620, 30426), (660, 28582), (682, 27660), (744, 25355), (922, 20460), (930, 20284), (1023, 18440), (1240, 15213), (1320, 14291), (1364, 13830), (1383, 13640), (1705, 11064), (1844, 10230), (1860, 10142), (2046, 9220), (2305, 8184), (2728, 6915), (2766, 6820), (3410, 5532), (3688, 5115), (3720, 5071), (4092, 4610)]