78380520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 166563480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 89, 120, 123, 164, 178, 179, 205, 246, 267, 328, 356, 358, 410, 445, 492, 534, 537, 615, 712, 716, 820, 890, 895, 984, 1068, 1074, 1230, 1335, 1432, 1640, 1780, 1790, 2136, 2148, 2460, 2670, 2685, 3560, 3580, 3649, 4296, 4920, 5340, 5370, 7160, 7298, 7339, 10680, 10740, 10947, 14596, 14678, 15931, 18245, 21480, 21894, 22017, 29192, 29356, 31862, 36490, 36695, 43788, 44034, 47793, 54735, 58712, 63724, 72980, 73390, 79655, 87576, 88068, 95586, 109470, 110085, 127448, 145960, 146780, 159310, 176136, 191172, 218940, 220170, 238965, 293560, 318620, 382344, 437880, 440340, 477930, 637240, 653171, 880680, 955860, 1306342, 1911720, 1959513, 2612684, 3265855, 3919026, 5225368, 6531710, 7838052, 9797565, 13063420, 15676104, 19595130, 26126840, 39190260, 78380520]

約数ペア:

[(1, 78380520), (2, 39190260), (3, 26126840), (4, 19595130), (5, 15676104), (6, 13063420), (8, 9797565), (10, 7838052), (12, 6531710), (15, 5225368), (20, 3919026), (24, 3265855), (30, 2612684), (40, 1959513), (41, 1911720), (60, 1306342), (82, 955860), (89, 880680), (120, 653171), (123, 637240), (164, 477930), (178, 440340), (179, 437880), (205, 382344), (246, 318620), (267, 293560), (328, 238965), (356, 220170), (358, 218940), (410, 191172), (445, 176136), (492, 159310), (534, 146780), (537, 145960), (615, 127448), (712, 110085), (716, 109470), (820, 95586), (890, 88068), (895, 87576), (984, 79655), (1068, 73390), (1074, 72980), (1230, 63724), (1335, 58712), (1432, 54735), (1640, 47793), (1780, 44034), (1790, 43788), (2136, 36695), (2148, 36490), (2460, 31862), (2670, 29356), (2685, 29192), (3560, 22017), (3580, 21894), (3649, 21480), (4296, 18245), (4920, 15931), (5340, 14678), (5370, 14596), (7160, 10947), (7298, 10740), (7339, 10680)]