30961920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 108021312

約数和(自身を除く): 77059392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 733, 768, 880, 960, 1056, 1280, 1320, 1408, 1466, 1760, 1920, 2112, 2199, 2640, 2816, 2932, 3520, 3665, 3840, 4224, 4398, 5280, 5864, 7040, 7330, 8063, 8448, 8796, 10560, 10995, 11728, 14080, 14660, 16126, 17592, 21120, 21990, 23456, 24189, 29320, 32252, 35184, 40315, 42240, 43980, 46912, 48378, 58640, 64504, 70368, 80630, 87960, 93824, 96756, 117280, 120945, 129008, 140736, 161260, 175920, 187648, 193512, 234560, 241890, 258016, 281472, 322520, 351840, 387024, 469120, 483780, 516032, 562944, 645040, 703680, 774048, 938240, 967560, 1032064, 1290080, 1407360, 1548096, 1935120, 2064128, 2580160, 2814720, 3096192, 3870240, 5160320, 6192384, 7740480, 10320640, 15480960, 30961920]

約数ペア:

[(1, 30961920), (2, 15480960), (3, 10320640), (4, 7740480), (5, 6192384), (6, 5160320), (8, 3870240), (10, 3096192), (11, 2814720), (12, 2580160), (15, 2064128), (16, 1935120), (20, 1548096), (22, 1407360), (24, 1290080), (30, 1032064), (32, 967560), (33, 938240), (40, 774048), (44, 703680), (48, 645040), (55, 562944), (60, 516032), (64, 483780), (66, 469120), (80, 387024), (88, 351840), (96, 322520), (110, 281472), (120, 258016), (128, 241890), (132, 234560), (160, 193512), (165, 187648), (176, 175920), (192, 161260), (220, 140736), (240, 129008), (256, 120945), (264, 117280), (320, 96756), (330, 93824), (352, 87960), (384, 80630), (440, 70368), (480, 64504), (528, 58640), (640, 48378), (660, 46912), (704, 43980), (733, 42240), (768, 40315), (880, 35184), (960, 32252), (1056, 29320), (1280, 24189), (1320, 23456), (1408, 21990), (1466, 21120), (1760, 17592), (1920, 16126), (2112, 14660), (2199, 14080), (2640, 11728), (2816, 10995), (2932, 10560), (3520, 8796), (3665, 8448), (3840, 8063), (4224, 7330), (4398, 7040), (5280, 5864)]