1963318640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:775

約数の個数: 160

約数和(自身を含む): 5078246400

約数和(自身を除く): 3114927760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 89, 92, 95, 115, 152, 178, 184, 190, 230, 304, 356, 368, 380, 437, 445, 460, 631, 712, 760, 874, 890, 920, 1262, 1424, 1520, 1691, 1748, 1780, 1840, 2047, 2185, 2524, 3155, 3382, 3496, 3560, 4094, 4370, 5048, 6310, 6764, 6992, 7120, 8188, 8455, 8740, 10096, 10235, 11989, 12620, 13528, 14513, 16376, 16910, 17480, 20470, 23978, 25240, 27056, 29026, 32752, 33820, 34960, 38893, 40940, 47956, 50480, 56159, 58052, 59945, 67640, 72565, 77786, 81880, 95912, 112318, 116104, 119890, 135280, 145130, 155572, 163760, 191824, 194465, 224636, 232208, 239780, 275747, 280795, 290260, 311144, 388930, 449272, 479560, 551494, 561590, 580520, 622288, 777860, 898544, 959120, 1067021, 1102988, 1123180, 1161040, 1291657, 1378735, 1555720, 2134042, 2205976, 2246360, 2583314, 2757470, 3111440, 4268084, 4411952, 4492720, 5166628, 5335105, 5514940, 6458285, 8536168, 10333256, 10670210, 11029880, 12916570, 17072336, 20666512, 21340420, 22059760, 24541483, 25833140, 42680840, 49082966, 51666280, 85361680, 98165932, 103332560, 122707415, 196331864, 245414830, 392663728, 490829660, 981659320, 1963318640]

約数ペア:

[(1, 1963318640), (2, 981659320), (4, 490829660), (5, 392663728), (8, 245414830), (10, 196331864), (16, 122707415), (19, 103332560), (20, 98165932), (23, 85361680), (38, 51666280), (40, 49082966), (46, 42680840), (76, 25833140), (80, 24541483), (89, 22059760), (92, 21340420), (95, 20666512), (115, 17072336), (152, 12916570), (178, 11029880), (184, 10670210), (190, 10333256), (230, 8536168), (304, 6458285), (356, 5514940), (368, 5335105), (380, 5166628), (437, 4492720), (445, 4411952), (460, 4268084), (631, 3111440), (712, 2757470), (760, 2583314), (874, 2246360), (890, 2205976), (920, 2134042), (1262, 1555720), (1424, 1378735), (1520, 1291657), (1691, 1161040), (1748, 1123180), (1780, 1102988), (1840, 1067021), (2047, 959120), (2185, 898544), (2524, 777860), (3155, 622288), (3382, 580520), (3496, 561590), (3560, 551494), (4094, 479560), (4370, 449272), (5048, 388930), (6310, 311144), (6764, 290260), (6992, 280795), (7120, 275747), (8188, 239780), (8455, 232208), (8740, 224636), (10096, 194465), (10235, 191824), (11989, 163760), (12620, 155572), (13528, 145130), (14513, 135280), (16376, 119890), (16910, 116104), (17480, 112318), (20470, 95912), (23978, 81880), (25240, 77786), (27056, 72565), (29026, 67640), (32752, 59945), (33820, 58052), (34960, 56159), (38893, 50480), (40940, 47956)]