51218700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 166822656

約数和(自身を除く): 115603956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 230, 260, 276, 299, 300, 325, 345, 390, 460, 571, 575, 598, 650, 690, 780, 897, 975, 1142, 1150, 1196, 1300, 1380, 1495, 1713, 1725, 1794, 1950, 2284, 2300, 2855, 2990, 3426, 3450, 3588, 3900, 4485, 5710, 5980, 6852, 6900, 7423, 7475, 8565, 8970, 11420, 13133, 14275, 14846, 14950, 17130, 17940, 22269, 22425, 26266, 28550, 29692, 29900, 34260, 37115, 39399, 42825, 44538, 44850, 52532, 57100, 65665, 74230, 78798, 85650, 89076, 89700, 111345, 131330, 148460, 157596, 170729, 171300, 185575, 196995, 222690, 262660, 328325, 341458, 371150, 393990, 445380, 512187, 556725, 656650, 682916, 742300, 787980, 853645, 984975, 1024374, 1113450, 1313300, 1707290, 1969950, 2048748, 2226900, 2560935, 3414580, 3939900, 4268225, 5121870, 8536450, 10243740, 12804675, 17072900, 25609350, 51218700]

約数ペア:

[(1, 51218700), (2, 25609350), (3, 17072900), (4, 12804675), (5, 10243740), (6, 8536450), (10, 5121870), (12, 4268225), (13, 3939900), (15, 3414580), (20, 2560935), (23, 2226900), (25, 2048748), (26, 1969950), (30, 1707290), (39, 1313300), (46, 1113450), (50, 1024374), (52, 984975), (60, 853645), (65, 787980), (69, 742300), (75, 682916), (78, 656650), (92, 556725), (100, 512187), (115, 445380), (130, 393990), (138, 371150), (150, 341458), (156, 328325), (195, 262660), (230, 222690), (260, 196995), (276, 185575), (299, 171300), (300, 170729), (325, 157596), (345, 148460), (390, 131330), (460, 111345), (571, 89700), (575, 89076), (598, 85650), (650, 78798), (690, 74230), (780, 65665), (897, 57100), (975, 52532), (1142, 44850), (1150, 44538), (1196, 42825), (1300, 39399), (1380, 37115), (1495, 34260), (1713, 29900), (1725, 29692), (1794, 28550), (1950, 26266), (2284, 22425), (2300, 22269), (2855, 17940), (2990, 17130), (3426, 14950), (3450, 14846), (3588, 14275), (3900, 13133), (4485, 11420), (5710, 8970), (5980, 8565), (6852, 7475), (6900, 7423)]