309484160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 804902400

約数和(自身を除く): 495418240

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, 821, 992, 1178, 1216, 1240, 1520, 1642, 1984, 2356, 2432, 2480, 2945, 3040, 3284, 3968, 4105, 4712, 4960, 5890, 6080, 6568, 8210, 9424, 9920, 11780, 12160, 13136, 15599, 16420, 18848, 19840, 23560, 25451, 26272, 31198, 32840, 37696, 47120, 50902, 52544, 62396, 65680, 75392, 77995, 94240, 101804, 105088, 124792, 127255, 131360, 155990, 188480, 203608, 249584, 254510, 262720, 311980, 376960, 407216, 483569, 499168, 509020, 525440, 623960, 814432, 967138, 998336, 1018040, 1247920, 1628864, 1934276, 1996672, 2036080, 2417845, 2495840, 3257728, 3868552, 4072160, 4835690, 4991680, 7737104, 8144320, 9671380, 9983360, 15474208, 16288640, 19342760, 30948416, 38685520, 61896832, 77371040, 154742080, 309484160]

約数ペア:

[(1, 309484160), (2, 154742080), (4, 77371040), (5, 61896832), (8, 38685520), (10, 30948416), (16, 19342760), (19, 16288640), (20, 15474208), (31, 9983360), (32, 9671380), (38, 8144320), (40, 7737104), (62, 4991680), (64, 4835690), (76, 4072160), (80, 3868552), (95, 3257728), (124, 2495840), (128, 2417845), (152, 2036080), (155, 1996672), (160, 1934276), (190, 1628864), (248, 1247920), (304, 1018040), (310, 998336), (320, 967138), (380, 814432), (496, 623960), (589, 525440), (608, 509020), (620, 499168), (640, 483569), (760, 407216), (821, 376960), (992, 311980), (1178, 262720), (1216, 254510), (1240, 249584), (1520, 203608), (1642, 188480), (1984, 155990), (2356, 131360), (2432, 127255), (2480, 124792), (2945, 105088), (3040, 101804), (3284, 94240), (3968, 77995), (4105, 75392), (4712, 65680), (4960, 62396), (5890, 52544), (6080, 50902), (6568, 47120), (8210, 37696), (9424, 32840), (9920, 31198), (11780, 26272), (12160, 25451), (13136, 23560), (15599, 19840), (16420, 18848)]