305714560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 795110400

約数和(自身を除く): 489395840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 811, 992, 1178, 1216, 1240, 1520, 1622, 1984, 2356, 2432, 2480, 2945, 3040, 3244, 3968, 4055, 4712, 4960, 5890, 6080, 6488, 8110, 9424, 9920, 11780, 12160, 12976, 15409, 16220, 18848, 19840, 23560, 25141, 25952, 30818, 32440, 37696, 47120, 50282, 51904, 61636, 64880, 75392, 77045, 94240, 100564, 103808, 123272, 125705, 129760, 154090, 188480, 201128, 246544, 251410, 259520, 308180, 376960, 402256, 477679, 493088, 502820, 519040, 616360, 804512, 955358, 986176, 1005640, 1232720, 1609024, 1910716, 1972352, 2011280, 2388395, 2465440, 3218048, 3821432, 4022560, 4776790, 4930880, 7642864, 8045120, 9553580, 9861760, 15285728, 16090240, 19107160, 30571456, 38214320, 61142912, 76428640, 152857280, 305714560]

約数ペア:

[(1, 305714560), (2, 152857280), (4, 76428640), (5, 61142912), (8, 38214320), (10, 30571456), (16, 19107160), (19, 16090240), (20, 15285728), (31, 9861760), (32, 9553580), (38, 8045120), (40, 7642864), (62, 4930880), (64, 4776790), (76, 4022560), (80, 3821432), (95, 3218048), (124, 2465440), (128, 2388395), (152, 2011280), (155, 1972352), (160, 1910716), (190, 1609024), (248, 1232720), (304, 1005640), (310, 986176), (320, 955358), (380, 804512), (496, 616360), (589, 519040), (608, 502820), (620, 493088), (640, 477679), (760, 402256), (811, 376960), (992, 308180), (1178, 259520), (1216, 251410), (1240, 246544), (1520, 201128), (1622, 188480), (1984, 154090), (2356, 129760), (2432, 125705), (2480, 123272), (2945, 103808), (3040, 100564), (3244, 94240), (3968, 77045), (4055, 75392), (4712, 64880), (4960, 61636), (5890, 51904), (6080, 50282), (6488, 47120), (8110, 37696), (9424, 32440), (9920, 30818), (11780, 25952), (12160, 25141), (12976, 23560), (15409, 19840), (16220, 18848)]