163720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4057

約数の個数: 128

約数和(自身を含む): 553236480

約数和(自身を除く): 389515560

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, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4001, 4092, 5115, 6820, 8002, 8184, 10230, 12003, 13640, 16004, 20005, 20460, 24006, 32008, 40010, 40920, 44011, 48012, 60015, 80020, 88022, 96024, 120030, 124031, 132033, 160040, 176044, 220055, 240060, 248062, 264066, 352088, 372093, 440110, 480120, 496124, 528132, 620155, 660165, 744186, 880220, 992248, 1056264, 1240310, 1320330, 1364341, 1488372, 1760440, 1860465, 2480620, 2640660, 2728682, 2976744, 3720930, 4093023, 4961240, 5281320, 5457364, 6821705, 7441860, 8186046, 10914728, 13643410, 14883720, 16372092, 20465115, 27286820, 32744184, 40930230, 54573640, 81860460, 163720920]

約数ペア:

[(1, 163720920), (2, 81860460), (3, 54573640), (4, 40930230), (5, 32744184), (6, 27286820), (8, 20465115), (10, 16372092), (11, 14883720), (12, 13643410), (15, 10914728), (20, 8186046), (22, 7441860), (24, 6821705), (30, 5457364), (31, 5281320), (33, 4961240), (40, 4093023), (44, 3720930), (55, 2976744), (60, 2728682), (62, 2640660), (66, 2480620), (88, 1860465), (93, 1760440), (110, 1488372), (120, 1364341), (124, 1320330), (132, 1240310), (155, 1056264), (165, 992248), (186, 880220), (220, 744186), (248, 660165), (264, 620155), (310, 528132), (330, 496124), (341, 480120), (372, 440110), (440, 372093), (465, 352088), (620, 264066), (660, 248062), (682, 240060), (744, 220055), (930, 176044), (1023, 160040), (1240, 132033), (1320, 124031), (1364, 120030), (1705, 96024), (1860, 88022), (2046, 80020), (2728, 60015), (3410, 48012), (3720, 44011), (4001, 40920), (4092, 40010), (5115, 32008), (6820, 24006), (8002, 20460), (8184, 20005), (10230, 16004), (12003, 13640)]