About the Number

123451380

123451379 ← → 123451381

2進数表記:111010110111011011111110100

漢数字表記:一億二千三百四十五万千三百八十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 52757 1

素因数の和:52785
約数の個数: 72
約数和(自身を含む): 403282152
約数和(自身を除く): 279830772

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 52757, 105514, 158271, 211028, 263785, 316542, 474813, 527570, 633084, 685841, 791355, 949626, 1055140, 1371682, 1582710, 1899252, 2057523, 2374065, 2743364, 3165420, 3429205, 4115046, 4748130, 6172569, 6858410, 8230092, 9496260, 10287615, 12345138, 13716820, 20575230, 24690276, 30862845, 41150460, 61725690, 123451380]

約数ペア:
[(1, 123451380), (2, 61725690), (3, 41150460), (4, 30862845), (5, 24690276), (6, 20575230), (9, 13716820), (10, 12345138), (12, 10287615), (13, 9496260), (15, 8230092), (18, 6858410), (20, 6172569), (26, 4748130), (30, 4115046), (36, 3429205), (39, 3165420), (45, 2743364), (52, 2374065), (60, 2057523), (65, 1899252), (78, 1582710), (90, 1371682), (117, 1055140), (130, 949626), (156, 791355), (180, 685841), (195, 633084), (234, 527570), (260, 474813), (390, 316542), (468, 263785), (585, 211028), (780, 158271), (1170, 105514), (2340, 52757)]

このpageの処理時間: 0.010933876037597656 seconds