231453440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 604369920

約数和(自身を除く): 372916480

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, 256, 304, 307, 310, 320, 380, 496, 589, 608, 614, 620, 640, 760, 992, 1178, 1216, 1228, 1240, 1280, 1520, 1535, 1984, 2356, 2432, 2456, 2480, 2945, 3040, 3070, 3968, 4712, 4864, 4912, 4960, 5833, 5890, 6080, 6140, 7936, 9424, 9517, 9824, 9920, 11666, 11780, 12160, 12280, 18848, 19034, 19648, 19840, 23332, 23560, 24320, 24560, 29165, 37696, 38068, 39296, 39680, 46664, 47120, 47585, 49120, 58330, 75392, 76136, 78592, 93328, 94240, 95170, 98240, 116660, 150784, 152272, 180823, 186656, 188480, 190340, 196480, 233320, 304544, 361646, 373312, 376960, 380680, 392960, 466640, 609088, 723292, 746624, 753920, 761360, 904115, 933280, 1218176, 1446584, 1493248, 1522720, 1808230, 1866560, 2436352, 2893168, 3045440, 3616460, 3733120, 5786336, 6090880, 7232920, 7466240, 11572672, 12181760, 14465840, 23145344, 28931680, 46290688, 57863360, 115726720, 231453440]

約数ペア:

[(1, 231453440), (2, 115726720), (4, 57863360), (5, 46290688), (8, 28931680), (10, 23145344), (16, 14465840), (19, 12181760), (20, 11572672), (31, 7466240), (32, 7232920), (38, 6090880), (40, 5786336), (62, 3733120), (64, 3616460), (76, 3045440), (80, 2893168), (95, 2436352), (124, 1866560), (128, 1808230), (152, 1522720), (155, 1493248), (160, 1446584), (190, 1218176), (248, 933280), (256, 904115), (304, 761360), (307, 753920), (310, 746624), (320, 723292), (380, 609088), (496, 466640), (589, 392960), (608, 380680), (614, 376960), (620, 373312), (640, 361646), (760, 304544), (992, 233320), (1178, 196480), (1216, 190340), (1228, 188480), (1240, 186656), (1280, 180823), (1520, 152272), (1535, 150784), (1984, 116660), (2356, 98240), (2432, 95170), (2456, 94240), (2480, 93328), (2945, 78592), (3040, 76136), (3070, 75392), (3968, 58330), (4712, 49120), (4864, 47585), (4912, 47120), (4960, 46664), (5833, 39680), (5890, 39296), (6080, 38068), (6140, 37696), (7936, 29165), (9424, 24560), (9517, 24320), (9824, 23560), (9920, 23332), (11666, 19840), (11780, 19648), (12160, 19034), (12280, 18848)]