About the Number

1279311930

1279311929 ← → 1279311931

2進数表記:1001100010000001100000000111010

漢数字表記:十二億七千九百三十一万千九百三十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 41 1 × 26669 1

素因数の和:26736
約数の個数: 96
約数和(自身を含む): 3669578640
約数和(自身を除く): 2390266710

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 41, 45, 65, 78, 82, 90, 117, 123, 130, 195, 205, 234, 246, 369, 390, 410, 533, 585, 615, 738, 1066, 1170, 1230, 1599, 1845, 2665, 3198, 3690, 4797, 5330, 7995, 9594, 15990, 23985, 26669, 47970, 53338, 80007, 133345, 160014, 240021, 266690, 346697, 400035, 480042, 693394, 800070, 1040091, 1093429, 1200105, 1733485, 2080182, 2186858, 2400210, 3120273, 3280287, 3466970, 5200455, 5467145, 6240546, 6560574, 9840861, 10400910, 10934290, 14214577, 15601365, 16401435, 19681722, 28429154, 31202730, 32802870, 42643731, 49204305, 71072885, 85287462, 98408610, 127931193, 142145770, 213218655, 255862386, 426437310, 639655965, 1279311930]

約数ペア:
[(1, 1279311930), (2, 639655965), (3, 426437310), (5, 255862386), (6, 213218655), (9, 142145770), (10, 127931193), (13, 98408610), (15, 85287462), (18, 71072885), (26, 49204305), (30, 42643731), (39, 32802870), (41, 31202730), (45, 28429154), (65, 19681722), (78, 16401435), (82, 15601365), (90, 14214577), (117, 10934290), (123, 10400910), (130, 9840861), (195, 6560574), (205, 6240546), (234, 5467145), (246, 5200455), (369, 3466970), (390, 3280287), (410, 3120273), (533, 2400210), (585, 2186858), (615, 2080182), (738, 1733485), (1066, 1200105), (1170, 1093429), (1230, 1040091), (1599, 800070), (1845, 693394), (2665, 480042), (3198, 400035), (3690, 346697), (4797, 266690), (5330, 240021), (7995, 160014), (9594, 133345), (15990, 80007), (23985, 53338), (26669, 47970)]

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